CVE-2022-25327

Local Denial of Service in fscrypt PAM module

Published: Feb 25, 2022Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-255

5.5MEDIUM

Description

The PAM module for fscrypt doesn't adequately validate fscrypt metadata files, allowing users to create malicious metadata files that prevent other users from logging in. A local user can cause a denial of service by creating a fscrypt metadata file that prevents other users from logging into the system. We recommend upgrading to version 0.3.3 or above

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-255 CWE-276

Affected Products

google

commercial·USaka google inc, google llc

fscryptOn-premSecurity Product

Security Products / pki-crypto

package-ecosystem

github.com/google/fscrypt

OSS Libraries

Google LLC

commercial·US

fscryptLibraryLibrary

OSS Libraries / generic-library

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Privilege Escalation

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References

https://github.com/google/fscrypt/pull/346

github.com

https://nvd.nist.gov/vuln/detail/CVE-2022-25327

nvd.nist.gov

https://github.com/google/fscrypt/commit/91aa3ebf42032ca783c41f9ec25d885875f66ddb

github.com

and 1 more references View all →

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