CVE-2019-12472

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.18.0 through 1.32.1. It is possible to bypass the limits on IP range blocks ($wgBlockCIDRLimit) by using the API. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
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:N/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
VendorProductVersion
mediawikimediawiki
1.18.0 ≤
𝑥
< 1.27.6
mediawikimediawiki
1.30.0 ≤
𝑥
< 1.30.2
mediawikimediawiki
1.31.0 ≤
𝑥
< 1.31.2
mediawikimediawiki
1.32.0 ≤
𝑥
< 1.32.2
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
noble
Fixed 1:1.31.2-1
released
mantic
Fixed 1:1.31.2-1
released
lunar
Fixed 1:1.31.2-1
released
kinetic
Fixed 1:1.31.2-1
released
jammy
Fixed 1:1.31.2-1
released
impish
Fixed 1:1.31.2-1
released
hirsute
Fixed 1:1.31.2-1
released
groovy
Fixed 1:1.31.2-1
released
focal
Fixed 1:1.31.2-1
released
eoan
Fixed 1:1.31.2-1
released
disco
ignored
cosmic
ignored
bionic
needed
xenial
dne
trusty
dne
References
https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
https://phabricator.wikimedia.org/T199540
https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
https://phabricator.wikimedia.org/T199540