CVE-2017-8810 Information disclosure in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2
Remote attackers can enumerate valid account names on private MediaWiki instances due to inconsistent error messages, facilitating brute-force attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-8810?
CVE-2017-8810 is a high-severity vulnerability in Debian Debian Linux, published on 15 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2, when a private wiki is configured, provides different error messages for failed login attempts depending on whether the username exists, which allows remote attackers to enumerate account names and conduct brute-force attacks via a series of requests.
Weakness: CWE-200
Which versions are affected by CVE-2017-8810?
It affects 2 products.
Products include Debian Debian Linux, Mediawiki Mediawiki.
How do I fix CVE-2017-8810?
Upgrade to a fixed version.
Is CVE-2017-8810 being exploited?
There is no known exploitation of CVE-2017-8810 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-8810, GHSA-j76f-f4hg-c8qp.