Red Hat update for Red Hat OpenShift Application Runtimes Thorntail 2.5.0

1) Deserialization of Untrusted Data

EUVDB-ID: #VU19018

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-12384

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

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

The vulnerability exists due to software allows the logback-core class to process polymorphic deserialization. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

jackson-databind: 2.0.0 - 2.9.8

CPE2.3

• cpe:2.3:a:fasterxml:jackson-databind:2.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.4.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.5.5:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.6.8:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.7.9.4:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.8.11.2:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.9.8:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2019:2998

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.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU19933

Risk: High

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-14379

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

Exploit availability: No

Description

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

The vulnerability exists due to the "SubTypeValidator.java" file mishandles default typing when Ehcache is used. A remote attacker can send a request that submits malicious input to the targeted system and execute arbitrary code.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

jackson-databind: 2.0.0 - 2.9.9.1

CPE2.3

• cpe:2.3:a:fasterxml:jackson-databind:2.7.9.6:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.8.11.4:*:*:*:*:*:*:*
• cpe:2.3:a:fasterxml:jackson-databind:2.9.9.1:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2019:2998

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.

3) Information disclosure

EUVDB-ID: #VU19941

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-12086

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to a polymorphic typing issue when Default Typing is enabled for an externally exposed JSON endpoint and the service has the mysql-connector-java jar in the classpath. A remote attacker can send a specially crafted JSON message and read arbitrary local files on the server due to the missing "com.mysql.cj.jdbc.admin.MiniAdmin" validation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

jackson-databind: 2.0.0 - 2.9.8

CPE2.3

External links

https://access.redhat.com/errata/RHSA-2019:2998

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. However, proof of concept for this vulnerability is available.

4) Inclusion of Sensitive Information in Log Files

EUVDB-ID: #VU21469

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/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-2019-10212

CWE-ID: CWE-532 - Information Exposure Through Log Files

Exploit availability: No

Description

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

The vulnerability exists in Undertow DEBUG log implementation for io.undertow.request.security that stored user's credentials in plain text in a world-readable file. A local user can view contents of the debug file and gain access to login and passwords of Undertow users.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Undertow: 1.0.0 - 2.0.20

CPE2.3

• cpe:2.3:a:red_hat:undertow:*:*:*:*:*:wildfly_core:*:*
• cpe:2.3:a:red_hat:undertow:1.0.0:*:*:*:*:wildfly_core:*:*
• cpe:2.3:a:red_hat:undertow:1.0.1:*:*:*:*:wildfly_core:*:*

External links

https://access.redhat.com/errata/RHSA-2019:2998

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.

5) Cleartext storage of sensitive information

EUVDB-ID: #VU20066

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/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-2019-3888

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

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

The vulnerability exists due to the Connectors.executeRootHandler:402 logs the HttpServerExchange object at ERROR level using UndertowLogger.REQUEST_LOGGER.undertowRequestFailed(t, exchange), which includes logging of user credentials. A local user can view contents of log files and gain access to credentials in plain text that are stored in them.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Undertow: 2.0.0.Alpha1 - 2.0.20

CPE2.3

• cpe:2.3:a:red_hat:undertow:2.0.0.Alpha1:*:*:*:*:wildfly_core:*:*
• cpe:2.3:a:red_hat:undertow:2.0.0.Alpha2:*:*:*:*:wildfly_core:*:*
• cpe:2.3:a:red_hat:undertow:2.0.0:*:*:*:*:wildfly_core:*:*

External links

https://access.redhat.com/errata/RHSA-2019:2998

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.

6) Directory listing

EUVDB-ID: #VU20067

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-2019-10184

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to incorrect handling of requests without trailing slashes in the api. A remote attacker can send a specially crafted HTTP request to the affected server and predict directory structure.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Undertow: 2.0.0.Alpha1 - 2.0.22

CPE2.3

• cpe:2.3:a:red_hat:undertow:2.0.0.Alpha1:*:*:*:*:wildfly_core:*:*
• cpe:2.3:a:red_hat:undertow:2.0.0.Alpha2:*:*:*:*:wildfly_core:*:*
• cpe:2.3:a:red_hat:undertow:2.0.0:*:*:*:*:wildfly_core:*:*

External links

https://access.redhat.com/errata/RHSA-2019:2998

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.

7) Insufficiently protected credentials

EUVDB-ID: #VU21706

Risk: Medium

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

CVE-ID: CVE-2019-3868

CWE-ID: CWE-522 - Insufficiently Protected Credentials

Exploit availability: No

Description

The vulnerability allows a remote attacker to hijack user's session.

The vulnerability exists due to software may use the end user token (access or id token JWT) as a session cookie for browser sessions for OIDC. A remote attacker that has access to the service provider backend can hijack the user's browser session and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Keycloak: 4.8.0 - 5.0.0

CPE2.3

• cpe:2.3:a:keycloak:keycloak:4.8.3:*:*:*:*:*:*:*
• cpe:2.3:a:keycloak:keycloak:5.0.0:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2019:2998

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.