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).

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

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

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:P

Exploitability : 6.8 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2018-08-23 19:29

Updated : 2023-12-10 12:44

NVD link : CVE-2018-6558

Mitre link : CVE-2018-6558

CVE.ORG link : CVE-2018-6558

JSON object : View

Products Affected

google

fscrypt

CWE

NVD-CWE-noinfo

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