Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 15.6%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 6.9
References
- http://www.openwall.com/lists/oss-security/2021/02/09/1
- https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b
- https://github.com/netblue30/firejail/releases/tag/0.9.64.4
- https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html
- https://security.gentoo.org/glsa/202105-19
- https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/
- https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt
- https://www.debian.org/security/2021/dsa-4849
- http://www.openwall.com/lists/oss-security/2021/02/09/1
- https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b
- https://github.com/netblue30/firejail/releases/tag/0.9.64.4
- https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html
- https://security.gentoo.org/glsa/202105-19
- https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/
- https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt
- https://www.debian.org/security/2021/dsa-4849
Products affected by CVE-2021-26910
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cpe:2.3:a:firejail_project:firejail:-
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cpe:2.3:a:firejail_project:firejail:0.9
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cpe:2.3:a:firejail_project:firejail:0.9.10
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cpe:2.3:a:firejail_project:firejail:0.9.12
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cpe:2.3:a:firejail_project:firejail:0.9.12.1
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cpe:2.3:a:firejail_project:firejail:0.9.12.2
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cpe:2.3:a:firejail_project:firejail:0.9.14
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cpe:2.3:a:firejail_project:firejail:0.9.16
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cpe:2.3:a:firejail_project:firejail:0.9.2
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cpe:2.3:a:firejail_project:firejail:0.9.20
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cpe:2.3:a:firejail_project:firejail:0.9.22
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cpe:2.3:a:firejail_project:firejail:0.9.24
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cpe:2.3:a:firejail_project:firejail:0.9.26
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cpe:2.3:a:firejail_project:firejail:0.9.28
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cpe:2.3:a:firejail_project:firejail:0.9.30
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cpe:2.3:a:firejail_project:firejail:0.9.32
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cpe:2.3:a:firejail_project:firejail:0.9.34
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cpe:2.3:a:firejail_project:firejail:0.9.36
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cpe:2.3:a:firejail_project:firejail:0.9.38
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cpe:2.3:a:firejail_project:firejail:0.9.38.10
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cpe:2.3:a:firejail_project:firejail:0.9.38.12
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cpe:2.3:a:firejail_project:firejail:0.9.38.2
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cpe:2.3:a:firejail_project:firejail:0.9.38.4
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cpe:2.3:a:firejail_project:firejail:0.9.38.6
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cpe:2.3:a:firejail_project:firejail:0.9.38.8
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cpe:2.3:a:firejail_project:firejail:0.9.4
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cpe:2.3:a:firejail_project:firejail:0.9.40
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cpe:2.3:a:firejail_project:firejail:0.9.42
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cpe:2.3:a:firejail_project:firejail:0.9.44
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cpe:2.3:a:firejail_project:firejail:0.9.44.10
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cpe:2.3:a:firejail_project:firejail:0.9.44.2
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cpe:2.3:a:firejail_project:firejail:0.9.44.4
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cpe:2.3:a:firejail_project:firejail:0.9.44.6
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cpe:2.3:a:firejail_project:firejail:0.9.44.8
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cpe:2.3:a:firejail_project:firejail:0.9.46
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cpe:2.3:a:firejail_project:firejail:0.9.48
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cpe:2.3:a:firejail_project:firejail:0.9.50
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cpe:2.3:a:firejail_project:firejail:0.9.52
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cpe:2.3:a:firejail_project:firejail:0.9.54
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cpe:2.3:a:firejail_project:firejail:0.9.56
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cpe:2.3:a:firejail_project:firejail:0.9.56.2
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cpe:2.3:a:firejail_project:firejail:0.9.58
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cpe:2.3:a:firejail_project:firejail:0.9.58.2
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cpe:2.3:a:firejail_project:firejail:0.9.6
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cpe:2.3:a:firejail_project:firejail:0.9.60
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cpe:2.3:a:firejail_project:firejail:0.9.62
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cpe:2.3:a:firejail_project:firejail:0.9.62.2
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cpe:2.3:a:firejail_project:firejail:0.9.62.4
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cpe:2.3:a:firejail_project:firejail:0.9.64
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cpe:2.3:a:firejail_project:firejail:0.9.64.2
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cpe:2.3:a:firejail_project:firejail:0.9.8
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cpe:2.3:a:firejail_project:firejail:0.9.8.1
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:9.0