Vulnerability Details : CVE-2005-0256
Potential exploit
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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2005-0256
- cpe:2.3:a:washington_university:wu-ftpd:2.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:washington_university:wu-ftpd:2.6.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2005-0256
3.65%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2005-0256
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2005-0256
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The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
Vendor statements for CVE-2005-0256
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Red Hat 2006-10-23Not vulnerable. Red Hat Enterprise Linux 2.1 shipped with wu-ftpd, however we were unable to reproduce this issue. Additionally, a code analysis showed that attempts to exploit this issue would be caught in the versions we shipped. http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=149720
References for CVE-2005-0256
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1333
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http://www.debian.org/security/2005/dsa-705
[SECURITY] [DSA 705-1] New wu-ftpd packages fix denial of servicePatch;Vendor Advisory
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http://sunsolve.sun.com/search/document.do?assetkey=1-26-57795-1
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1762
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http://itrc.hp.com/service/cki/docDisplay.do?docId=c00637342
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http://www.idefense.com/application/poi/display?id=207&type=vulnerabilities
Exploit
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1265
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ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63/SCOSA-2005.63.txt
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http://www.vupen.com/english/advisories/2005/0588
Vendor Advisory
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http://www.vupen.com/english/advisories/2006/1271
Vendor Advisory
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http://sunsolve.sun.com/search/document.do?assetkey=1-26-101699-1
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