Multiple vulnerabilities in OpenShift Container Platform



Risk Medium
Patch available YES
Number of vulnerabilities 13
CVE-ID CVE-2020-1945
CVE-2020-11979
CVE-2021-21602
CVE-2021-21603
CVE-2021-21604
CVE-2021-21605
CVE-2021-21606
CVE-2021-21607
CVE-2021-21608
CVE-2021-21609
CVE-2021-21610
CVE-2021-21611
CVE-2021-21615
CWE-ID CWE-276
CWE-264
CWE-200
CWE-79
CWE-91
CWE-22
CWE-119
CWE-367
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Red Hat OpenShift Container Platform
Client/Desktop applications / Software for system administration

openshift-kuryr (Red Hat package)
Operating systems & Components / Operating system package or component

openshift-clients (Red Hat package)
Operating systems & Components / Operating system package or component

openshift (Red Hat package)
Operating systems & Components / Operating system package or component

openshift-ansible (Red Hat package)
Operating systems & Components / Operating system package or component

jenkins-2-plugins (Red Hat package)
Operating systems & Components / Operating system package or component

atomic-openshift-service-idler (Red Hat package)
Operating systems & Components / Operating system package or component

cri-o (Red Hat package)
Operating systems & Components / Operating system package or component

runc (Red Hat package)
Operating systems & Components / Operating system package or component

python-rsa (Red Hat package)
Operating systems & Components / Operating system package or component

jenkins (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 13 vulnerabilities.

1) Incorrect default permissions

EUVDB-ID: #VU27924

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-1945

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Apache Ant is using a default temporary directory identified by the Java system property java.io.tmpdir for several tasks and may thus leak sensitive information. The fixcrlf and replaceregexp tasks also copy files from the temporary directory back into the build tree allowing an attacker to inject modified source files into the build process. A local user with access to the system can view contents of files and directories or modify them.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU47428

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-11979

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect patch for vulnerability #VU27924 (CVE-2020-1945). Apache Ant 1.10.8 changed the permissions of temporary files it created so that only the current user was allowed to access them. Unfortunately the fixcrlf task deleted the temporary file and created a new one without said protection, effectively nullifying the effort. This would still allow an attacker to inject modified source files into the build process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Information disclosure

EUVDB-ID: #VU49527

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21602

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in workspace browsers. A remote authenticated attacker can create symbolic links that allow them to access files outside workspaces using the workspace browser.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Cross-site scripting

EUVDB-ID: #VU49522

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21603

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in notification bar. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) XML injection

EUVDB-ID: #VU49526

Risk: Medium

CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21604

CWE-ID: CWE-91 - XML Injection

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper handling of REST API XML deserialization errors. A remote authenticated attacker can pass specially crafted XML data to the application and perform arbitrary actions on the system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Path traversal

EUVDB-ID: #VU49528

Risk: Medium

CVSSv4.0: 1.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21605

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in agent names. A remote authenticated attacker can choose agent names that cause Jenkins to override unrelated "config.xml" files.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49529

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21606

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to arbitrary file existence check in file fingerprints. A remote authenticated attacker can check for the existence of XML files on the controller file system where the relative path can be constructed as 32 characters.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Buffer overflow

EUVDB-ID: #VU49530

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21607

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the affected software does not limit the graph size provided as query parameters. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Stored cross-site scripting

EUVDB-ID: #VU49523

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21608

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in button labels. A remote authenticated attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49531

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21609

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to a missing permission check for paths with specific prefix. A remote attacker can access plugin-provided URLs.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Cross-site scripting

EUVDB-ID: #VU49524

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21610

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in markup formatter preview. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Stored cross-site scripting

EUVDB-ID: #VU49525

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21611

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data on new item page. A remote authenticated attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Time-of-check Time-of-use (TOCTOU) Race Condition

EUVDB-ID: #VU50020

Risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21615

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to a race condition in the file browser for workspaces. A remote user with Job/Workspace permission and the ability to control workspace contents, e.g., with Job/Configure permission or the ability to change SCM contents, can create symbolic links that allow them to access files outside workspaces using the workspace browser.

Note, the vulnerability is caused by incorrect patch for #VU49527

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.6.0 - 4.6.16

openshift-kuryr (Red Hat package): 4.6.0-202012042155.p0.git.2216.8a6f6a5.el8 - 4.6.0-202101151835.p0.git.2220.40847e5.el8

openshift-clients (Red Hat package): 4.6.0-202011260456.p0.git.3798.fcf58ff.el7 - 4.6.0-202101160934.p0.git.3808.a1bca2f.el8

openshift (Red Hat package): 4.6.0-202012051246.p0.git.94231.efc9027.el7 - 4.6.0-202101160934.p0.git.94242.fc5242e.el8

openshift-ansible (Red Hat package): 4.6.0-202011260456.p0.git.0.e7caea2.el7 - 4.6.0-202012172338.p0.git.0.a15d08c.el7

jenkins-2-plugins (Red Hat package): 4.6.1609853716-1.el8

atomic-openshift-service-idler (Red Hat package): 4.6.0-202012171504.p0.git.15.f4535bc.el8

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.18.4-4.rhaos4.5.git6dee389.el7

runc (Red Hat package): 1.0.0-1.rc2.el7 - 1.0.0-67.rc10.el7_8

python-rsa (Red Hat package): 3.4.2-9.el8

jenkins (Red Hat package): before 2.263.3.1612434510-1.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0423


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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