MM Chat 1.5 chatconfig.php currentlang path traversal

Summaryinfo

A vulnerability, which was classified as problematic, has been found in MM Chat 1.5. This affects an unknown part of the file chatconfig.php. Performing a manipulation of the argument currentlang results in path traversal. This vulnerability was named CVE-2008-2974. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in MM Chat 1.5 (Chat Software). This affects an unknown functionality of the file chatconfig.php. The manipulation of the argument currentlang 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 confidentiality, integrity, and availability. The summary by CVE is:

Directory traversal vulnerability in chatconfig.php in MM Chat 1.5, when register_globals is enabled, allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the currentlang parameter.

The weakness was presented 07/02/2008 (Website). It is possible to read the advisory at milw0rm.com. This vulnerability is uniquely identified as CVE-2008-2974 since 07/02/2008. 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.

A public exploit has been developed by CraCkEr and been published even before and not after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:chatconfig.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 X-Force (43327), Exploit-DB (5919) and SecurityFocus (BID 29910†). See VDB-43022 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Chat Software

Name

• MM Chat

Version

• 1.5

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

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

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