CVE-2010-0420 Denial of service in n/a
Remote attackers can crash the Pidgin client by sending crafted nicknames in XMPP multi-user chat rooms, requiring the MUC feature to be active.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-0420?
CVE-2010-0420 is a medium-severity denial of service vulnerability in Pidgin Pidgin, published on 24 Feb 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does not properly parse nicknames containing <br> sequences, which allows remote attackers to cause a denial of service (application crash) via a crafted nickname.
Weakness: CWE-20
Which versions are affected by CVE-2010-0420?
It affects 1 product.
Products include Pidgin Pidgin.
How do I fix CVE-2010-0420?
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-2010-0420 being exploited?
There is no known exploitation of CVE-2010-0420 in the wild and no public exploit code.
Other vulnerabilities in Pidgin Pidgin
Sources
Also known as DEBIAN-CVE-2010-0420, GHSA-r3rc-v556-7p45.