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CVE-2005-0256

5.0 · MEDIUM

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 * (wi…

Published May 2, 2005washington_universityCWE-119EPSS 5.21%

Overview

CVE-2005-0256 is a medium-severity vulnerability affecting washington_university wu-ftpd. It was published on May 2, 2005 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from washington_university. Update wu-ftpd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63/SCOSA-2005.63.txtRefitrc.hp.com/service/cki/docDisplay.do?docId=c00637342Refsecunia.com/advisories/14411Refsecunia.com/advisories/18210Refsecunia.com/advisories/19561Refsunsolve.sun.com/search/document.do?assetkey=1-26-101699-1Refsunsolve.sun.com/search/document.do?assetkey=1-26-57795-1Refwww.debian.org/security/2005/dsa-705Refwww.idefense.com/application/poi/display?id=207&type=vulnerabilitiesRefwww.osvdb.org/14203

How CyberStrike helps

Frequently asked questions

What is CVE-2005-0256?

CVE-2005-0256 is a medium-severity vulnerability affecting washington_university wu-ftpd. It was published on May 2, 2005 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2005-0256?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2005-0256?

Check the references section for vendor advisories and patches from washington_university. Update wu-ftpd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2005-0256?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-0256 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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