CVE-2015-8626 Weak cryptography in n/a

Critical 9.8 Published 23 Mar 2017 Updated 6 Aug 2024

MediaWiki generates weak temporary passwords, allowing attackers to brute-force user accounts and gain unauthorized access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2015-8626?

CVE-2015-8626 is a critical vulnerability in Mediawiki Mediawiki, published on 23 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The User::randomPassword function in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1 generates passwords smaller than $wgMinimalPasswordLength, which makes it easier for remote attackers to obtain access via a brute-force attack.

Weakness: CWE-255

Which versions are affected by CVE-2015-8626?

It affects 1 product.

Products include Mediawiki Mediawiki.

How do I fix CVE-2015-8626?

Upgrade to a fixed version.

Is CVE-2015-8626 being exploited?

There is no known exploitation of CVE-2015-8626 in the wild and no public exploit code.

All Mediawiki Mediawiki vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-8626, GHSA-2vh8-pg5g-9p42.