A vulnerability was found in TalkBack 2.3.5 and classified as critical. Affected by this issue is some unknown functionality. The manipulation of the argument language with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Directory traversal vulnerability in install/help.php in TalkBack 2.3.5, and other versions before 2.3.6.2, allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the language parameter.

The weakness was published 07/30/2008 by NoGe (Website). The advisory is available at milw0rm.com. This vulnerability is handled as CVE-2008-3371 since 07/30/2008. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

A public exploit has been developed by NoGe and been published even before and not after the advisory. The exploit is available 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 2 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.3.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (44018), Exploit-DB (6148) and SecurityFocus (BID 30393†).

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• TalkBack

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• 2.3.5

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• 🔍

CPE 2.2info

• 🔍

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