CVE-2014-2745 Denial of service in n/a

High 7.8 Published 11 Apr 2014 Updated 6 Aug 2024

Remote attackers can cause denial of service in Prosody XMPP server via crafted compressed XML streams, requiring an upgrade to mitigate.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2014-2745?

CVE-2014-2745 is a high-severity denial of service vulnerability in n/a, published on 11 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Prosody before 0.9.4 does not properly restrict the processing of compressed XML elements, which allows remote attackers to cause a denial of service (resource consumption) via a crafted XMPP stream, aka an "xmppbomb" attack, related to core/portmanager.lua and util/xmppstream.lua.

Weakness: CWE-264

Which versions are affected by CVE-2014-2745?

It affects 1 product.

Products include Prosody Prosody.

How do I fix CVE-2014-2745?

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-2014-2745 being exploited?

There is no known exploitation of CVE-2014-2745 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2014-2745, GHSA-8jhg-7mm6-vg49.