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Abyss Web Server Encoded Backslash Directory Traversal Vulnerability

A directory traversal vulnerability has been reported for Abyss Web Server. The issue is related to the failure to properly process the backslash '\', encoded as '%5c', character, which may be used as a directory delimiter under these platforms. By using the URL encoded sequence '%2e%2e%5c', the web root may be escaped.

Exploitation can result in arbitrary system files being sent to a remote attacker. This information may be of value in attempting further attacks against the vulnerable system.

This issue is reported to have different effects in a different environments.







 

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