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CVE-2023-45363

Date: October 8, 2023

An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.

Language: PHP

Severity Score

Related Resources (8)

https://github.com/wikimedia/mediawiki
https://github.com/wikimedia/mediawiki/commit/24c3ef2474c6daa20ed48168d46196a55346dfd8
https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
https://phabricator.wikimedia.org/T333050
https://security-tracker.debian.org/tracker/CVE-2023-45363
https://www.debian.org/security/2023/dsa-5520
https://nvd.nist.gov/vuln/detail/CVE-2023-45363
https://www.mend.io/vulnerability-database/CVE-2023-45363

Severity Score

Weakness Type (CWE)

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

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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