CVE-2005-0256 Denial of service in n/a
Remote attackers can cause CPU exhaustion and denial of service in wu-ftpd by sending glob patterns with excessive wildcard characters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2005-0256?
CVE-2005-0256 is a medium-severity denial of service vulnerability in n/a, published on 25 Feb 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The wu_fnmatch function in wu_fnmatch.c in wu-ftpd 2.6.1 and 2.6.2 allows remote attackers to cause a denial of service (CPU exhaustion by recursion) via a glob pattern with a large number of * (wildcard) characters, as demonstrated using the dir command.
Weakness: CWE-119
Which versions are affected by CVE-2005-0256?
It affects 1 product.
Products include Washington University Wu-Ftpd.
How do I fix CVE-2005-0256?
Apply the vendor's patch.
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-2005-0256 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2005-0256 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as DSA-705-1, GHSA-52rf-pfj9-676q.