CVE-2011-1757 Denial of service in n/a
Remote attackers can cause denial of service in DJabberd XMPP server via crafted XML with nested entity references.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2011-1757?
CVE-2011-1757 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
DJabberd 0.84 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-2011-1757?
It affects 1 product.
Products include Brad Fitzpatrick Djabberd.
How do I fix CVE-2011-1757?
No fix has been published for CVE-2011-1757 yet. Limit exposure of the affected software until one is available.
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-2011-1757 being exploited?
There is no known exploitation of CVE-2011-1757 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-4p35-7jx5-47jq.