CVE-2024-21626
CVE-2024-21626 · runc container breakout through process.cwd trickery and leaked fds
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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 8.6 · Hoch · EPSS 18,9% · Öffentlicher Exploit · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: system · containers
Betroffene Produkte und Versionen
runc
- Softwareversionen
- >=v1.0.0-rc93, < 1.1.12: Betroffen
Keine Korrektur veröffentlicht
runc Debian:12
- Softwareversionen
- 1.1.5+ds1-1
- Betroffene Versionsbereiche
- ECOSYSTEM: < 1.1.5+ds1-1+deb12u1
Auf 1.1.5+ds1-1+deb12u1 aktualisieren
runc Debian:13
- Betroffene Versionsbereiche
- ECOSYSTEM: < 1.1.12+ds1-1
Auf 1.1.12+ds1-1 aktualisieren
runc Debian:14
- Betroffene Versionsbereiche
- ECOSYSTEM: < 1.1.12+ds1-1
Auf 1.1.12+ds1-1 aktualisieren
runc Ubuntu:Pro:18.04:LTS
- Softwareversionen
- 1.0.0~rc2+docker1.13.1-0ubuntu1
- 1.0.0~rc4+dfsg1-2
- 1.0.0~rc4+dfsg1-6
- 1.0.0~rc4+dfsg1-6ubuntu0.18.04.1
- 1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.1
- 1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.2
- 1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.2+esm1
- 1.0.0~rc10-0ubuntu1~18.04.1
- 1.0.0~rc10-0ubuntu1~18.04.2
- 1.0.0~rc93-0ubuntu1~18.04.1
- 1.0.0~rc93-0ubuntu1~18.04.2
- 1.0.0~rc95-0ubuntu1~18.04.1
- 1.0.0~rc95-0ubuntu1~18.04.2
- 1.0.1-0ubuntu2~18.04.1
- 1.1.0-0ubuntu1~18.04.1
- 1.1.4-0ubuntu1~18.04.1
- 1.1.4-0ubuntu1~18.04.2
- Betroffene Versionsbereiche
- ECOSYSTEM: < 1.1.4-0ubuntu1~18.04.2+esm1
Auf 1.1.4-0ubuntu1~18.04.2+esm1 aktualisieren
runc Ubuntu:20.04:LTS
- Softwareversionen
- 1.0.0~rc8+git20190923.3e425f80-0ubuntu1
- 1.0.0~rc10-0ubuntu1
- 1.0.0~rc93-0ubuntu1~20.04.1
- 1.0.0~rc93-0ubuntu1~20.04.2
- 1.0.0~rc95-0ubuntu1~20.04.1
- 1.0.0~rc95-0ubuntu1~20.04.2
- 1.0.1-0ubuntu2~20.04.1
- 1.1.0-0ubuntu1~20.04.1
- 1.1.0-0ubuntu1~20.04.2
- 1.1.4-0ubuntu1~20.04.1
- 1.1.4-0ubuntu1~20.04.2
- 1.1.4-0ubuntu1~20.04.3
- 1.1.7-0ubuntu1~20.04.1
- Betroffene Versionsbereiche
- ECOSYSTEM: < 1.1.7-0ubuntu1~20.04.2
Auf 1.1.7-0ubuntu1~20.04.2 aktualisieren
runc Ubuntu:22.04:LTS
- Softwareversionen
- 1.0.1-0ubuntu2
- 1.0.1-0ubuntu3
- 1.0.3-0ubuntu1
- 1.1.0-0ubuntu1
- 1.1.0-0ubuntu1.1
- 1.1.4-0ubuntu1~22.04.1
- 1.1.4-0ubuntu1~22.04.2
- 1.1.4-0ubuntu1~22.04.3
- 1.1.7-0ubuntu1~22.04.1
- Betroffene Versionsbereiche
- ECOSYSTEM: < 1.1.7-0ubuntu1~22.04.2
Auf 1.1.7-0ubuntu1~22.04.2 aktualisieren
Originalquellen
- https://github.com/opencontainers/runc/security/advisories/GHSA-xr7r-f8xq-vfvv
- https://github.com/opencontainers/runc/commit/02120488a4c0fc487d1ed2867e901eeed7ce8ecf
- https://github.com/opencontainers/runc/releases/tag/v1.1.12
- http://www.openwall.com/lists/oss-security/2024/02/01/1
- http://www.openwall.com/lists/oss-security/2024/02/02/3
- http://packetstormsecurity.com/files/176993/runc-1.1.11-File-Descriptor-Leak-Privilege-Escalation.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/SYMO3BANINS6RGFQFKPRG4FIOJ7GWYTL/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/2NLXNE23Q5ESQUAI22Z7A63JX2WMPJ2J/
- https://lists.debian.org/debian-lts-announce/2024/02/msg00005.html
- https://www.vicarius.io/vsociety/posts/leaky-vessels-part-1-cve-2024-21626
- https://access.redhat.com/security/cve/CVE-2024-21626
- https://bugzilla.redhat.com/show_bug.cgi?id=2258725
- https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-21626.json
- https://access.redhat.com/errata/RHSA-2024:1270
- https://access.redhat.com/errata/RHSA-2024:0717
- https://access.redhat.com/errata/RHSA-2024:4597
- https://access.redhat.com/errata/RHSA-2024:0684
- https://access.redhat.com/errata/RHSA-2025:2441
- https://access.redhat.com/errata/RHSA-2024:0666
- https://access.redhat.com/errata/RHSA-2025:2701
- https://access.redhat.com/errata/RHSA-2024:0662
- https://access.redhat.com/errata/RHSA-2025:2710
- https://access.redhat.com/errata/RHSA-2024:0645
- https://nvd.nist.gov/vuln/detail/CVE-2024-21626