CVE-2013-4570 Null dereference in n/a
Remote attackers can cause a denial of service in MediaWiki via the Scribuntu extension by triggering a NULL pointer dereference with specific Lua data structures.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2013-4570?
CVE-2013-4570 is a medium-severity vulnerability in Mediawiki Mediawiki, published on 12 May 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The zend_inline_hash_func function in php-luasandbox in the Scribuntu extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to converting Lua data structures to PHP, as demonstrated by passing { [{}] = 1 } to a module function.
Which versions are affected by CVE-2013-4570?
It affects 1 product.
Products include Mediawiki Mediawiki.
How do I fix CVE-2013-4570?
No fix has been published for CVE-2013-4570 yet. Limit exposure of the affected software until one is available.
Is CVE-2013-4570 being exploited?
There is no known exploitation of CVE-2013-4570 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as GHSA-q4f4-qm8q-44gm.