CVE-2019-19921

high

Description

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.)

References

https://usn.ubuntu.com/4297-1/

https://security.gentoo.org/glsa/202003-21

https://security-tracker.debian.org/tracker/CVE-2019-19921

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6BF24VCZRFTYBTT3T7HDZUOTKOTNPLZ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FYVE3GB4OG3BNT5DLQHYO4M5SXX33AQ5/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNB2UEDIIJCRQW4WJLZOPQJZXCVSXMLD/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DHGVGGMKGZSJ7YO67TGGPFEHBYMS63VF/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ANUGDBJ7NBUMSUFZUSKU3ZMQYZ2Z3STN/

https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html

https://github.com/opencontainers/runc/releases

https://github.com/opencontainers/runc/pull/2190

https://github.com/opencontainers/runc/issues/2197

https://access.redhat.com/errata/RHSA-2020:0695

https://access.redhat.com/errata/RHSA-2020:0688

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00018.html

Details

Source: Mitre, NVD

Published: 2020-02-12

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 4.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High