Information Exposure Affecting container-tools:rhel8/conmon package, versions <3:2.1.8-1.module+el8.9.0+21243+a586538b


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.3% (86th percentile)

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  • Snyk IDSNYK-RHEL8-CONTAINERTOOLS-6240634
  • published9 Feb 2024
  • disclosed31 Jan 2024

Introduced: 31 Jan 2024

CVE-2024-21626  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:8 container-tools:rhel8/conmon to version 3:2.1.8-1.module+el8.9.0+21243+a586538b or higher.
This issue was patched in RHSA-2024:0752.

NVD Description

Note: Versions mentioned in the description apply only to the upstream container-tools:rhel8/conmon package and not the container-tools:rhel8/conmon package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc 1.1.11 and earlier, due to an internal file descriptor leak, an attacker could cause a newly-spawned container process (from runc exec) to have a working directory in the host filesystem namespace, allowing for a container escape by giving access to the host filesystem ("attack 2"). The same attack could be used by a malicious image to allow a container process to gain access to the host filesystem through runc run ("attack 1"). Variants of attacks 1 and 2 could be also be used to overwrite semi-arbitrary host binaries, allowing for complete container escapes ("attack 3a" and "attack 3b"). runc 1.1.12 includes patches for this issue.

CVSS Scores

version 3.1