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Security Advisories: GSA_kwCzR0hTQS1nMmo2LTU3djctZ204Y84AAydu
runc AppArmor bypass with symlinked /proc
Impact
It was found that AppArmor, and potentially SELinux, can be bypassed when /proc inside the container is symlinked with a specific mount configuration.
Patches
Fixed in runc v1.1.5, by prohibiting symlinked /proc: https://github.com/opencontainers/runc/pull/3785
This PR fixes CVE-2023-27561 as well.
Workarounds
Avoid using an untrusted container image.
Permalink: https://github.com/advisories/GHSA-g2j6-57v7-gm8cJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1nMmo2LTU3djctZ204Y84AAydu
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 1 year ago
Updated: 20 days ago
CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Percentage: 0.00044
EPSS Percentile: 0.14307
Identifiers: GHSA-g2j6-57v7-gm8c, CVE-2023-28642
References:
- https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8c
- https://nvd.nist.gov/vuln/detail/CVE-2023-28642
- https://github.com/opencontainers/runc/pull/3785
- https://security.netapp.com/advisory/ntap-20241206-0005
- https://github.com/advisories/GHSA-g2j6-57v7-gm8c
Blast Radius: 27.0
Affected Packages
go:github.com/opencontainers/runc
Dependent packages: 7,425Dependent repositories: 27,022
Downloads:
Affected Version Ranges: < 1.1.5
Fixed in: 1.1.5
All affected versions: 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6, 0.0.7, 0.0.8, 0.0.9, 0.1.0, 0.1.1, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4
All unaffected versions: 1.1.5, 1.1.6, 1.1.7, 1.1.8, 1.1.9, 1.1.10, 1.1.11, 1.1.12, 1.1.13, 1.1.14, 1.1.15, 1.2.0, 1.2.1, 1.2.2, 1.2.3