Improper Privilege Management Affecting skopeo-tests package, versions <2:1.9.4-4.3.rhaos4.12.el9


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.05% (18th percentile)

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  • Snyk ID SNYK-RHEL9-SKOPEOTESTS-6861588
  • published 17 May 2024
  • disclosed 18 Mar 2024

How to fix?

Upgrade RHEL:9 skopeo-tests to version 2:1.9.4-4.3.rhaos4.12.el9 or higher.
This issue was patched in RHSA-2024:2784.

NVD Description

Note: Versions mentioned in the description apply only to the upstream skopeo-tests package and not the skopeo-tests package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A flaw was found in Buildah (and subsequently Podman Build) which allows containers to mount arbitrary locations on the host filesystem into build containers. A malicious Containerfile can use a dummy image with a symbolic link to the root filesystem as a mount source and cause the mount operation to mount the host root filesystem inside the RUN step. The commands inside the RUN step will then have read-write access to the host filesystem, allowing for full container escape at build time.

CVSS Scores

version 3.1
Expand this section

Red Hat

8.6 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

8.6 high