UBUNTU-CVE-2015-8623
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Summary:
Details: The User::matchEditToken function in includes/User.php in MediaWiki before 1.23.12 and 1.24.x before 1.24.5 does not perform token comparison in constant time before returning, which allows remote attackers to guess the edit token and bypass CSRF protection via a timing attack, a different vulnerability than CVE-2015-8624.
References: https://ubuntu.com/security/CVE-2015-8623, https://gerrit.wikimedia.org/r/#/c/156336/5/includes/User.php, https://www.cve.org/CVERecord?id=CVE-2015-8623
Affected packages
Package
Name: mediawiki
Purl: pkg:deb/ubuntu/mediawiki@1:1.27.4-3?arch=source&distro=bionic
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -1:1.27.4-3
Affected versions
1:1.27.3-1
1:1.27.4-1
1:1.27.4-2
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
