SB2022082244 - Red Hat Enterprise Linux 7 Extras update for podman



SB2022082244 - Red Hat Enterprise Linux 7 Extras update for podman

Published: August 22, 2022

Security Bulletin ID SB2022082244
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 secuirty vulnerabilities.


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

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)

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.