Medium severity · published Sep 26, 2019
CVE-2019-16738
In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup
5.3
CVSS
1.8%
EPSS
No
On KEV
Description
In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
FE
Fedora · Fedoraproject
30; 31 · source: NVD
ME
Mediawiki · Mediawiki
1.31.0 before 1.31.4; 1.32.0 before 1.32.4; 1.33.0 before 1.33.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16738
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16738
Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OMG3BMUHGWTAPYTK2NXM6CXF6FYLOUO/
Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QBAOLXETM5BOYQG6OQVHGB2LNLZUXVN6/
Exploit
https://phabricator.wikimedia.org/T230402
Mailing List
https://seclists.org/bugtraq/2019/Oct/32
Third Party Advisory
https://www.debian.org/security/2019/dsa-4545
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