SB2022082244 - Red Hat Enterprise Linux 7 Extras update for podman

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Main Vulnerability Database SB2022082244

SB2022082244 - Red Hat Enterprise Linux 7 Extras update for podman

Published: August 22, 2022

Security Bulletin ID SB2022082244
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2022-2738)

CWE-ID: CWE-416 - Use After Free

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


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

The vulnerability exists due to a use-after-free error when verifying GPG signature in podman. A remote attacker can can trigger a use-after-free error and perform a denial of service (DoS) attack.

Note, the vulnerability exists due to missing patch for #VU25501 (CVE-2020-8945) in podman Red Hat package.


2) Information disclosure (CVE-ID: CVE-2022-2739)

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

CVSSv4: 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


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

The vulnerability exists due to a missing patch for #VU47117 (CVE-2020-14370) in podman Red Hat package. A remote user with control over the subsequent containers could use this flaw to gain access to sensitive information stored in such variables.


Remediation

Install update from vendor's website.

References