Vulnerability Details CVE-2021-30465
runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.024
EPSS Ranking 84.2%
CVSS Severity
CVSS v3 Score 8.5
CVSS v2 Score 6.0
References
- http://www.openwall.com/lists/oss-security/2021/05/19/2
- http://www.openwall.com/lists/oss-security/2021/05/19/2
- https://bugzilla.opensuse.org/show_bug.cgi?id=1185405
- https://github.com/opencontainers/runc/commit/0ca91f44f1664da834bc61115a849b56d22f595f
- https://github.com/opencontainers/runc/releases
- https://github.com/opencontainers/runc/security/advisories/GHSA-c3xm-pvg7-gh7r
- https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/35ZW6NBZSBH5PWIT7JU4HXOXGFVDCOHH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4HOARVIT47RULTTFWAU7XBG4WY6TDDHV/
- https://security.gentoo.org/glsa/202107-26
- https://security.netapp.com/advisory/ntap-20210708-0003/
- http://www.openwall.com/lists/oss-security/2021/05/19/2
- http://www.openwall.com/lists/oss-security/2021/05/19/2
- https://bugzilla.opensuse.org/show_bug.cgi?id=1185405
- https://github.com/opencontainers/runc/commit/0ca91f44f1664da834bc61115a849b56d22f595f
- https://github.com/opencontainers/runc/releases
- https://github.com/opencontainers/runc/security/advisories/GHSA-c3xm-pvg7-gh7r
- https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/35ZW6NBZSBH5PWIT7JU4HXOXGFVDCOHH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4HOARVIT47RULTTFWAU7XBG4WY6TDDHV/
- https://security.gentoo.org/glsa/202107-26
- https://security.netapp.com/advisory/ntap-20210708-0003/
Products affected by CVE-2021-30465
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cpe:2.3:a:linuxfoundation:runc:-
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cpe:2.3:a:linuxfoundation:runc:0.0.1
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cpe:2.3:a:linuxfoundation:runc:0.0.2
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cpe:2.3:a:linuxfoundation:runc:0.0.2.1
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cpe:2.3:a:linuxfoundation:runc:0.0.3
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cpe:2.3:a:linuxfoundation:runc:0.0.4
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cpe:2.3:a:linuxfoundation:runc:0.0.5
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cpe:2.3:a:linuxfoundation:runc:0.0.6
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cpe:2.3:a:linuxfoundation:runc:0.0.7
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cpe:2.3:a:linuxfoundation:runc:0.0.8
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cpe:2.3:a:linuxfoundation:runc:0.0.9
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cpe:2.3:a:linuxfoundation:runc:0.1.0
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cpe:2.3:a:linuxfoundation:runc:0.1.1
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cpe:2.3:a:linuxfoundation:runc:1.0.0
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cpe:2.3:o:fedoraproject:fedora:33
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cpe:2.3:o:fedoraproject:fedora:34