6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
29.7%
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.
www.openwall.com/lists/oss-security/2021/02/09/1
github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b
github.com/netblue30/firejail/releases/tag/0.9.64.4
launchpad.net/bugs/cve/CVE-2021-26910
nvd.nist.gov/vuln/detail/CVE-2021-26910
security-tracker.debian.org/tracker/CVE-2021-26910
ubuntu.com/security/notices/USN-5141-1
unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/
unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt
www.cve.org/CVERecord?id=CVE-2021-26910
www.openwall.com/lists/oss-security/2021/02/08/5
6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
29.7%