YaBB 1.5.5/1.5.5b modifymessage.php attachOld path traversal

Summaryinfo

A vulnerability identified as problematic has been detected in YaBB 1.5.5/1.5.5b. The affected element is an unknown function of the file modifymessage.php. Performing a manipulation of the argument attachOld results in path traversal. This vulnerability is cataloged as CVE-2004-0344. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in YaBB 1.5.5/1.5.5b (Forum Software). It has been classified as critical. This affects some unknown functionality of the file modifymessage.php. The manipulation of the argument attachOld with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability. The summary by CVE is:

Directory traversal vulnerability in ModifyMessage.php in YaBB SE 1.5.4 through 1.5.5b allows remote attackers to delete arbitrary files via a .. (dot dot) in the attachOld parameter.

The weakness was shared 11/23/2004 (Website). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is uniquely identified as CVE-2004-0344. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:modifymessage.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (23774) and SecurityFocus (BID 9774†). The entry VDB-22478 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Forum Software

Name

• YaBB

Version

• 1.5.5
• 1.5.5b

License

• free

CPE 2.3info

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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