CVE-2017-8810

MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2, when a private wiki is configured, provides different error messages for failed login attempts depending on whether the username exists, which allows remote attackers to enumerate account names and conduct brute-force attacks via a series of requests.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
debianCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 75%
VendorProductVersion
mediawikimediawiki
𝑥
≤ 1.27.3
mediawikimediawiki
1.28.0
mediawikimediawiki
1.28.1
mediawikimediawiki
1.28.2
mediawikimediawiki
1.29.0
mediawikimediawiki
1.29.1
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mediawiki
bullseye
1:1.35.13-1+deb11u2
fixed
bullseye (security)
1:1.35.13-1+deb11u3
fixed
bookworm
1:1.39.7-1~deb12u1
fixed
bookworm (security)
1:1.39.10-1~deb12u1
fixed
sid
1:1.39.10-1
fixed
trixie
1:1.39.10-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mediawiki
disco
not-affected
cosmic
not-affected
bionic
not-affected
artful
ignored
zesty
ignored
xenial
dne
trusty
dne
Common Weakness Enumeration
References
http://www.securitytracker.com/id/1039812
https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html
https://www.debian.org/security/2017/dsa-4036
http://www.securitytracker.com/id/1039812
https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html
https://www.debian.org/security/2017/dsa-4036