CVE-2021-30465

Name
CVE-2021-30465
Description
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.
NVD Severity
high
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
CONFIRM https://github.com/opencontainers/runc/security/advisories/GHSA-c3xm-pvg7-gh7r
MISC https://github.com/opencontainers/runc/releases
MISC http://www.openwall.com/lists/oss-security/2021/05/19/2
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4HOARVIT47RULTTFWAU7XBG4WY6TDDHV/
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/35ZW6NBZSBH5PWIT7JU4HXOXGFVDCOHH/
MISC https://bugzilla.opensuse.org/show_bug.cgi?id=1185405
MISC https://github.com/opencontainers/runc/commit/0ca91f44f1664da834bc61115a849b56d22f595f
CONFIRM https://security.netapp.com/advisory/ntap-20210708-0003/
GENTOO https://security.gentoo.org/glsa/202107-26

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:linuxfoundation:runc:*:*:*:*:*:*:*:* runc >= None <= 0.1.1
cpe:2.3:a:linuxfoundation:runc:1.0.0:rc1:*:*:*:*:*:* runc == None == 1.0.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
runc edge-community 1.0.0_rc95-r0 Jake Buchholz <tomalok@gmail.com> fixed
runc edge-community 1.0.0-r0 Jake Buchholz <tomalok@gmail.com> fixed
runc 3.22-community 1.0.0_rc95-r0 None fixed
runc 3.21-community 1.0.0_rc95-r0 None fixed
runc 3.20-community 1.0.0_rc95-r0 None fixed
runc 3.19-community 1.0.0_rc95-r0 None fixed
runc 3.18-community 1.0.0_rc95-r0 None fixed
runc 3.17-community 1.0.0_rc95-r0 None fixed
k3s edge-community 1.21.1.1-r0 Oleg Titov <oleg.titov@gmail.com> fixed
k3s 3.22-community 1.21.1.1-r0 None fixed
k3s 3.21-community 1.21.1.1-r0 None fixed
k3s 3.20-community 1.21.1.1-r0 None fixed
k3s 3.19-community 1.21.1.1-r0 None fixed
k3s 3.18-community 1.21.1.1-r0 None fixed
k3s 3.17-community 1.21.1.1-r0 None fixed