CVE-2012-4885 Denial of service in n/a
Remote attackers can cause a denial of service via infinite loop in the wikitext parser, affecting MediaWiki installations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-4885?
CVE-2012-4885 is a medium-severity denial of service vulnerability in Mediawiki Mediawiki, published on 9 Sep 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to cause a denial of service (infinite loop) via certain input, as demonstrated by the padleft function.
Which versions are affected by CVE-2012-4885?
It affects 1 product.
Products include Mediawiki Mediawiki.
How do I fix CVE-2012-4885?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2012-4885 being exploited?
There is no known exploitation of CVE-2012-4885 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as DEBIAN-CVE-2012-4885, GHSA-cw9f-6pvh-rr9x.