CVE Vulnerability

CVE-2018-6558

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).

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://launchpad.net/bugs/1787548 Issue Tracking Patch
https://github.com/google/fscrypt/issues/77 Issue Tracking Third Party Advisory
https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66 Patch Third Party Advisory
https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:google:fscrypt:*:*:*:*:*:*:*:*
Information

Published : 2018-08-23 07:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-6558

Mitre link : CVE-2018-6558

Products Affected
No products.
CWE
NVD-CWE-noinfo