Redatam7 text LFN path traversal

Summaryinfo

A vulnerability categorized as problematic has been discovered in Redatam7. This affects an unknown part of the file /redbin/rpwebutilities.exe/text. Such manipulation of the argument LFN with the input ../ leads to path traversal. This vulnerability is uniquely identified as CVE-2018-12631. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Redatam7 (affected version unknown). Affected by this issue is an unknown functionality of the file /redbin/rpwebutilities.exe/text. The manipulation of the argument LFN with the input value ../ 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. CVE summarizes:

Redatam7 (formerly Redatam WebServer) allows remote attackers to read arbitrary files via /redbin/rpwebutilities.exe/text?LFN=../ directory traversal.

The bug was discovered 06/18/2018. The weakness was disclosed 06/21/2018 as EDB-ID 44905 as not defined exploit (Exploit-DB). The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2018-12631 since 06/21/2018. 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. The MITRE ATT&CK project declares the attack technique as T1006.

After immediately, there has been an exploit disclosed. 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 3 days. During that time the estimated underground price was around $0-$5k.

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 vulnerability database at Exploit-DB (44905). The entry VDB-119793 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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• Redatam7

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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