CVE-2019-19921
Published: 12 February 2020
runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. (This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.)
Priority
Medium
CVSS 3 base score: 7.0
Status
| Package | Release | Status |
|---|---|---|
|
runc Launchpad, Ubuntu, Debian |
bionic |
Released
(1.0.0~rc10-0ubuntu1~18.04.2)
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Released
(1.0.0~rc10-0ubuntu1~19.10.2)
|
|
| focal |
Released
(1.0.0~rc10-0ubuntu1)
|
|
| groovy |
Released
(1.0.0~rc10-0ubuntu1)
|
|
| hirsute |
Released
(1.0.0~rc10-0ubuntu1)
|
|
| impish |
Released
(1.0.0~rc10-0ubuntu1)
|
|
| jammy |
Released
(1.0.0~rc10-0ubuntu1)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(1.0.0~rc10)
|
|
| xenial |
Ignored
(end of standard support, was needed)
|
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19921
- https://github.com/opencontainers/runc/pull/2190
- https://github.com/opencontainers/runc/pull/2207
- https://gist.github.com/LiveOverflow/c937820b688922eb127fb760ce06dab9
- https://ubuntu.com/security/notices/USN-4297-1
- NVD
- Launchpad
- Debian