UBUNTU-CVE-2021-30159

See a problem?
Source
https://ubuntu.com/security/notices/UBUNTU-CVE-2021-30159
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-30159.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-30159
Related
Published
2021-04-09T07:15:00Z
Modified
2021-04-09T07:15:00Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Users can bypass intended restrictions on deleting pages in certain "fast double move" situations. MovePage::isValidMoveTarget() uses FOR UPDATE, but it's only called if Title::getArticleID() returns non-zero with no special flags. Next, MovePage::moveToInternal() will delete the page if getArticleID(READ_LATEST) is non-zero. Therefore, if the page is missing in the replica DB, isValidMove() will return true, and then moveToInternal() will unconditionally delete the page if it can be found in the master.

References

Affected packages

Ubuntu:20.04:LTS / mediawiki

Package

Name
mediawiki

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:1.*

1:1.31.2-1ubuntu1
1:1.31.5-1
1:1.31.5-1ubuntu1
1:1.31.5-2
1:1.31.5-3
1:1.31.5-3ubuntu1
1:1.31.6-1
1:1.31.7-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / mediawiki

Package

Name
mediawiki

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:1.*

1:1.35.3-1
1:1.35.4-1
1:1.35.5-1
1:1.35.5-1ubuntu1
1:1.35.5-1ubuntu2
1:1.35.5-1ubuntu3
1:1.35.6-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:24.04:LTS / mediawiki

Package

Name
mediawiki

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:1.*

1:1.39.4-2
1:1.39.5-1
1:1.39.6-1
1:1.39.7-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}