CVE-2023-29141: X-Forwarded-For header allows brute-forcing autoblocked IP addresses
An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An auto-block can occur for an untrusted X-Forwarded-For header.
Other sources
X-Forwarded-For header allows brute-forcing autoblocked IP addresses
— Packagist
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/mediawikito a version that resolves this vulnerability.Fixed in 1:1.31.16-1+deb10u6Fixed in 1:1.35.11-1~deb11u1Fixed in 1:1.35.13-1~deb11u1Fixed in 1:1.39.4-1~deb12u1Fixed in 1:1.39.5-1~deb12u1Fixed in 1:1.39.5-1 - Upgrade
Upgrade
composer/mediawiki/coreto a version that resolves this vulnerability.Fixed in 1.35.10 - Upgrade
Upgrade
composer/mediawiki/coreto a version that resolves this vulnerability.Fixed in 1.38.6 - Upgrade
Upgrade
composer/mediawiki/coreto a version that resolves this vulnerability.Fixed in 1.39.3
Event History
Frequently Asked Questions
What is CVE-2023-29141?
CVE-2023-29141 is a vulnerability in MediaWiki before versions 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3 that allows an auto-block to occur for an untrusted X-Forwarded-For header.
How severe is CVE-2023-29141?
CVE-2023-29141 is considered critical with a severity score of 9.8 out of 10.
How does CVE-2023-29141 affect MediaWiki?
CVE-2023-29141 affects MediaWiki versions before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3, allowing an auto-block to occur for an untrusted X-Forwarded-For header.
How can I fix CVE-2023-29141 in MediaWiki?
To fix CVE-2023-29141 in MediaWiki, you should update your MediaWiki installation to version 1.35.10, 1.38.6, or 1.39.3 or later.
Where can I find more information about CVE-2023-29141?
You can find more information about CVE-2023-29141 at the following references: - [MediaWiki Release Notes](https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_39/RELEASE-NOTES-1.39) - [Debian LTS Announcement](https://lists.debian.org/debian-lts-announce/2023/08/msg00029.html) - [Fedora Project Announcement](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ONWHGOBFD6CQAEGOP5O375XAP2N6RUHT/)