http-cache-semantics < 4.1.1 - Regular Expression Denial of Service (ReDoS)

2023-02-23 00:00

Anonymous

Strategic Overview

Status

Patched in 2.7.4

Affected PluginSimple Local Avatars

Affected Version<= 2.7.3

CVSS5.3Medium

CVECVE-2022-25881

View all Simple Local Avatars vulnerabilities

Vulnerability Overview

The package http-cache-semantics is vulnerable to Regular Expression Denial of Service (ReDoS) in versions before 4.1.1 via the cache-control HTTP header. WordPress plugins and themes may be using this package, however, they may not be vulnerable to exploitation.

Technical Analysis

REMEDIATION: Update to version 2.7.4, or a newer patched version --- IDENTIFIER: CWE-1333 (Inefficient Regular Expression Complexity) The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

External References

https://www.cve.org/CVERecord?id=CVE-2022-25881 https://www.wordfence.com/threat-intel/vulnerabilities/id/f6092987-5f60-42ac-9636-e1e0a2c85147

CVSS Vector

5.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityLow

This record contains material that is subject to copyright

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

https://www.cve.org/Legal/TermsOfUse

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/