CVE-2012-3421 Denial of service in n/a
Remote attackers can cause a denial of service in Performance Co-Pilot by sending fragmented PDU data, affecting the pmcd daemon.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-3421?
CVE-2012-3421 is a medium-severity denial of service vulnerability in n/a, published on 27 Aug 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The pduread function in pdu.c in libpcp in Performance Co-Pilot (PCP) before 3.6.5 does not properly time out connections, which allows remote attackers to cause a denial of service (pmcd hang) by sending individual bytes of a PDU separately, related to an "event-driven programming flaw."
Which versions are affected by CVE-2012-3421?
It affects 1 product.
Products include Sgi Performance Co-Pilot.
How do I fix CVE-2012-3421?
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-2012-3421 being exploited?
There is no known exploitation of CVE-2012-3421 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2012-3421, GHSA-5m4g-m6fj-7r63.