CVE-2021-26910

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation.
Configurations

Configuration 1 (hide)

cpe:2.3:a:firejail_project:firejail:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

History

23 May 2022, 22:01

Type Values Removed Values Added
References (GENTOO) https://security.gentoo.org/glsa/202105-19 - (GENTOO) https://security.gentoo.org/glsa/202105-19 - Third Party Advisory

26 May 2021, 11:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202105-19 -

16 Feb 2021, 16:19

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : 6.9
v3 : 7.0
CWE CWE-367
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:firejail_project:firejail:*:*:*:*:*:*:*:*
References (MISC) https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt - (MISC) https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt - Exploit, Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4849 - (DEBIAN) https://www.debian.org/security/2021/dsa-4849 - Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/02/09/1 - (MLIST) http://www.openwall.com/lists/oss-security/2021/02/09/1 - Exploit, Mailing List, Patch, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html - Third Party Advisory
References (MISC) https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/ - (MISC) https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/ - Exploit, Third Party Advisory
References (MISC) https://github.com/netblue30/firejail/releases/tag/0.9.64.4 - (MISC) https://github.com/netblue30/firejail/releases/tag/0.9.64.4 - Release Notes, Third Party Advisory
References (MISC) https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b - (MISC) https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b - Patch, Third Party Advisory

11 Feb 2021, 18:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html -

10 Feb 2021, 04:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4849 -

09 Feb 2021, 10:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/02/09/1 -

08 Feb 2021, 20:47

Type Values Removed Values Added
New CVE

Information

Published : 2021-02-08 20:15

Updated : 2023-12-10 13:41


NVD link : CVE-2021-26910

Mitre link : CVE-2021-26910

CVE.ORG link : CVE-2021-26910


JSON object : View

Products Affected

debian

  • debian_linux

firejail_project

  • firejail
CWE
CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition