CVE-2006-4520 Denial of service in n/a
Remote attackers can crash the Novell eDirectory daemon by sending NCP fragments with negative lengths, causing a denial of service.
- 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-2006-4520?
CVE-2006-4520 is a high-severity denial of service vulnerability in Novell Edirectory, published on 30 Apr 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ncp in Novell eDirectory before 8.7.3 SP9, and 8.8.x before 8.8.1 FTF2, does not properly handle NCP fragments with a negative length, which allows remote attackers to cause a denial of service (daemon crash) when the heap is written to a log file.
Which versions are affected by CVE-2006-4520?
It affects 1 product.
Products include Novell Edirectory.
How do I fix CVE-2006-4520?
No fix has been published for CVE-2006-4520 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-2006-4520 being exploited?
There is no known exploitation of CVE-2006-4520 in the wild and no public exploit code.
Other vulnerabilities in Novell Edirectory
Sources
Also known as GHSA-ghvg-2p2w-w2hx.