Fedora 34 update for podman



Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2022-1227
CVE-2022-21698
CVE-2022-27191
CVE-2022-27649
CWE-ID CWE-264
CWE-20
CWE-327
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Fedora
Operating systems & Components / Operating system

podman
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Security restrictions bypass

EUVDB-ID: #VU62468

Risk: Medium

CVSSv4.0: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-1227

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

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to improper privilege management when running podman top on a container made from a maliciously-crafted image and using a user namespace. An attacker with full access to the container can execute arbitrary code  in the host context.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 34

podman: before 3.4.7-1.fc34

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2022-5e637f6cc6


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user 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.

2) Input validation error

EUVDB-ID: #VU61599

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-21698

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within method label cardinality. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 34

podman: before 3.4.7-1.fc34

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2022-5e637f6cc6


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) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU62039

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-27191

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

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

The vulnerability exists due to an error in golang.org/x/crypto/ssh before 0.0.0-20220314234659-1baeb1ce4c0b, as used in Go programming language. A remote attacker can crash a server in certain circumstances involving AddHostKey.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 34

podman: before 3.4.7-1.fc34

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2022-5e637f6cc6


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.

4) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU61829

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-27649

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to excess inheritable capabilities set, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 34

podman: before 3.4.7-1.fc34

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2022-5e637f6cc6


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.



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