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CVE-2022-23514

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Date: December 14, 2022

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah < 2.19.1 contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue is patched in version 2.19.1.

Language: Ruby

Severity Score

Related Resources (6)

https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html
https://nvd.nist.gov/vuln/detail/CVE-2022-23514
https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh
https://hackerone.com/reports/1684163
https://security-tracker.debian.org/tracker/CVE-2022-23514
https://www.mend.io/vulnerability-database/CVE-2022-23514

Severity Score

Weakness Type (CWE)

Inefficient Regular Expression Complexity

CWE-1333

Top Fix

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Upgrade to version loofah - 2.19.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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