GitHub Advisory DatabaseGHSA-QJ26-7GRJ-WHG3Privilege Escalation in fscrypt
4.9 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:N/I:P/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
0.001 Low
EPSS
Percentile
44.1%
The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| github.com/google/fscrypt | lt | 0.2.4 |
References
github.com/advisories/GHSA-qj26-7grj-whg3
github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b
github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66
github.com/google/fscrypt/issues/77
launchpad.net/bugs/1787548
nvd.nist.gov/vuln/detail/CVE-2018-6558
pkg.go.dev/vuln/GO-2020-0027
Related
4.9 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:N/I:P/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
0.001 Low
EPSS
Percentile
44.1%