UBUNTU-CVE-2021-42040
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-42040
Summary:
Details: An issue was discovered in MediaWiki through 1.36.2. A parser function related to loop control allowed for an infinite loop (and php-fpm hang) within the Loops extension because egLoopsCountLimit is mishandled. This could lead to memory exhaustion.
References: https://ubuntu.com/security/CVE-2021-42040, https://gerrit.wikimedia.org/r/q/I0caf6f129f94612b5bcf406a171aa5ffedea1f80, https://phabricator.wikimedia.org/T287347, https://www.cve.org/CVERecord?id=CVE-2021-42040
Affected packages
Package
Name: mediawiki
Purl: pkg:deb/ubuntu/mediawiki?arch=source&distro=bionic
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
1:1.27.3-1
1:1.27.4-1
1:1.27.4-2
1:1.27.4-3
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
