GHSA-wrhx-3pxr-6vggcritical9.8
Wikimedia MediaWiki Incorrect Access Control vulnerability
The advisory, in context
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
mediawiki/core Packagist
Ecosystem versions
From 1.27.0 before 1.27.6
Fixed in 1.27.6
6 explicitly affected versions
1.27.0, 1.27.1, 1.27.2, 1.27.3, 1.27.4, 1.27.5
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "1.27.0"
},
{
"fixed": "1.27.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.27.0",
"1.27.1",
"1.27.2",
"1.27.3",
"1.27.4",
"1.27.5"
]
}mediawiki/core Packagist
Ecosystem versions
From 1.30.0 before 1.30.2
Fixed in 1.30.2
2 explicitly affected versions
1.30.0, 1.30.1
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "1.30.0"
},
{
"fixed": "1.30.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.30.0",
"1.30.1"
]
}mediawiki/core Packagist
Ecosystem versions
From 1.31.0 before 1.31.2
Fixed in 1.31.2
2 explicitly affected versions
1.31.0, 1.31.1
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "1.31.0"
},
{
"fixed": "1.31.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.31.0",
"1.31.1"
]
}mediawiki/core Packagist
Ecosystem versions
From 1.32.0 before 1.32.2
Fixed in 1.32.2
2 explicitly affected versions
1.32.0, 1.32.1
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "1.32.0"
},
{
"fixed": "1.32.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.32.0",
"1.32.1"
]
}References
- https://nvd.nist.gov/vuln/detail/CVE-2019-12468
- https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12468.yaml
- https://github.com/wikimedia/mediawiki
- https://lists.wikimedia.org/pipermail/mediawiki-announce
- https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
- https://phabricator.wikimedia.org/T197279
- https://seclists.org/bugtraq/2019/Jun/12
- https://www.debian.org/security/2019/dsa-4460