CVE-2019-18611

Current Description

An issue was discovered in the CheckUser extension through 1.34 for MediaWiki. Certain sensitive information within oversighted edit summaries made available via the MediaWiki API was potentially visible to users with various levels of access to this extension. Said users should not have been able to view these oversighted edit summaries via the MediaWiki API.

Basic Data

PublishedOctober 29, 2019
Last ModifiedOctober 31, 2019
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-200
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:S/C:P/I:N/A:N
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationSINGLE
CVSS 2 - Confidentiality ImpactPARTIAL
CVSS 2 - Availability ImpactNONE
CVSS 2 - Base Score4.0
SeverityMEDIUM
Exploitability Score8.0
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationMediawikiCheckuser*****mediawiki**1.34

Vulnerable Software List

VendorProductVersions
Mediawiki Checkuser *

References

NameSourceURLTags
https://gerrit.wikimedia.org/r/q/Ie0aa0df2b3f03d8b910733f1b5e600a0dc978765https://gerrit.wikimedia.org/r/q/Ie0aa0df2b3f03d8b910733f1b5e600a0dc978765MISCPatch Vendor Advisory
https://phabricator.wikimedia.org/T234862https://phabricator.wikimedia.org/T234862MISCPatch Vendor Advisory