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.
References
Link Resource
http://www.openwall.com/lists/oss-security/2021/02/09/1 Exploit Mailing List Patch Third Party Advisory
https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b Patch Third Party Advisory
https://github.com/netblue30/firejail/releases/tag/0.9.64.4 Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html Third Party Advisory
https://security.gentoo.org/glsa/202105-19 Third Party Advisory
https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/ Exploit Third Party Advisory
https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt Exploit Third Party Advisory
https://www.debian.org/security/2021/dsa-4849 Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/09/1 Exploit Mailing List Patch Third Party Advisory
https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b Patch Third Party Advisory
https://github.com/netblue30/firejail/releases/tag/0.9.64.4 Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html Third Party Advisory
https://security.gentoo.org/glsa/202105-19 Third Party Advisory
https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/ Exploit Third Party Advisory
https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt Exploit Third Party Advisory
https://www.debian.org/security/2021/dsa-4849 Third Party Advisory
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

21 Nov 2024, 05:57

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2021/02/09/1 - Exploit, Mailing List, Patch, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/02/09/1 - Exploit, Mailing List, Patch, Third Party Advisory
References () https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b - Patch, Third Party Advisory () https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b - Patch, Third Party Advisory
References () https://github.com/netblue30/firejail/releases/tag/0.9.64.4 - Release Notes, Third Party Advisory () https://github.com/netblue30/firejail/releases/tag/0.9.64.4 - Release Notes, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html - Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html - Third Party Advisory
References () https://security.gentoo.org/glsa/202105-19 - Third Party Advisory () https://security.gentoo.org/glsa/202105-19 - Third Party Advisory
References () https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/ - Exploit, Third Party Advisory () https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/ - Exploit, Third Party Advisory
References () https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt - Exploit, Third Party Advisory () https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt - Exploit, Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4849 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4849 - Third Party Advisory
CVSS v2 : 6.9
v3 : 7.0
v2 : 6.9
v3 : 7.8

Information

Published : 2021-02-08 20:15

Updated : 2024-11-21 05:57


NVD link : CVE-2021-26910

Mitre link : CVE-2021-26910

CVE.ORG link : CVE-2021-26910


JSON object : View

Products Affected

firejail_project

  • firejail

debian

  • debian_linux
CWE
CWE-367

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