CVE-2013-3266 Memory corruption in n/a
Remote attackers can cause denial of service or execute arbitrary code by sending malformed READDIR requests to the FreeBSD NFS server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-3266?
CVE-2013-3266 is a high-severity memory corruption vulnerability in Freebsd Freebsd, published on 2 May 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The nfsrvd_readdir function in sys/fs/nfsserver/nfs_nfsdport.c in the new NFS server in FreeBSD 8.0 through 9.1-RELEASE-p3 does not verify that a READDIR request is for a directory node, which allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by specifying a plain file instead of a directory.
Weakness: CWE-20
Which versions are affected by CVE-2013-3266?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2013-3266?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2013-3266 being exploited?
There is no known exploitation of CVE-2013-3266 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as DSA-2672-1, GHSA-gqq9-pr3g-6jr8.