Link Following Affecting criu-libs package, versions <0:3.18-4.module+el8.9.0+90021+ce997450


Severity

Recommended
medium

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.04% (9th percentile)

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  • Snyk ID SNYK-ORACLE8-CRIULIBS-5798090
  • published 21 Jul 2023
  • disclosed 29 Mar 2023

How to fix?

Upgrade Oracle:8 criu-libs to version 0:3.18-4.module+el8.9.0+90021+ce997450 or higher.
This issue was patched in ELSA-2023-6939.

NVD Description

Note: Versions mentioned in the description apply only to the upstream criu-libs package and not the criu-libs package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

runc is a CLI tool for spawning and running containers according to the OCI specification. It was found that AppArmor can be bypassed when /proc inside the container is symlinked with a specific mount configuration. This issue has been fixed in runc version 1.1.5, by prohibiting symlinked /proc. See PR #3785 for details. users are advised to upgrade. Users unable to upgrade should avoid using an untrusted container image.

CVSS Scores

version 3.1
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NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

6.1 medium
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Red Hat

7.8 high