CVE-2011-1754 Denial of service in n/a
Remote attackers can cause denial of service in jabberd14 via crafted XML with nested entity references, exhausting memory and CPU resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-1754?
CVE-2011-1754 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
jabberd14 1.6.1.1 and earlier 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-2011-1754?
It affects 1 product.
Products include Jabberd Jabberd14.
How do I fix CVE-2011-1754?
Apply the vendor's patch.
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-2011-1754 being exploited?
There is no known exploitation of CVE-2011-1754 in the wild and no public exploit code.
Sources
Also known as DSA-2249-1, GHSA-p7w4-2fhg-mqv6.