ghsa-g2j6-57v7-gm8c
Vulnerability from github
Published
2023-03-30 20:20
Modified
2023-03-30 20:20
Severity ?
Summary
runc AppArmor bypass with symlinked /proc
Details
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.
{ "affected": [ { "package": { "ecosystem": "Go", "name": "github.com/opencontainers/runc" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "1.1.5" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2023-28642" ], "database_specific": { "cwe_ids": [ "CWE-281", "CWE-59" ], "github_reviewed": true, "github_reviewed_at": "2023-03-30T20:20:23Z", "nvd_published_at": "2023-03-29T19:15:00Z", "severity": "MODERATE" }, "details": "### Impact\nIt was found that AppArmor, and potentially SELinux, can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration.\n\n### Patches\nFixed in runc v1.1.5, by prohibiting symlinked `/proc`: https://github.com/opencontainers/runc/pull/3785\n\nThis PR fixes CVE-2023-27561 as well.\n\n### Workarounds\nAvoid using an untrusted container image.\n\n", "id": "GHSA-g2j6-57v7-gm8c", "modified": "2023-03-30T20:20:23Z", "published": "2023-03-30T20:20:23Z", "references": [ { "type": "WEB", "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8c" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28642" }, { "type": "WEB", "url": "https://github.com/opencontainers/runc/pull/3785" }, { "type": "PACKAGE", "url": "https://github.com/opencontainers/runc" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "type": "CVSS_V3" } ], "summary": "runc AppArmor bypass with symlinked /proc" }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.