CVE-2011-2188 Denial of service in n/a
Remote attackers can cause denial of service via crafted XML documents exploiting recursive entity expansion in LuaExpat.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-2188?
CVE-2011-2188 is a medium-severity denial of service vulnerability in n/a, published on 21 Jun 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
LuaExpat before 1.2.0 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
Weakness: CWE-399
Which versions are affected by CVE-2011-2188?
It affects 1 product.
Products include Matthewwild Luaexpat.
How do I fix CVE-2011-2188?
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-2011-2188 being exploited?
There is no known exploitation of CVE-2011-2188 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2011-2188, GHSA-827g-rqf3-jrp6.