Two vulnerabilities have been discovered in iBrowser, which can be exploited by malicious people to conduct cross-site scripting attacks and disclose sensitive information.
1) Input passed via the "lang" parameter to e.g. ibrowser.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources via directory traversal sequences and URL-encoded NULL bytes.
Successful exploitation of this vulnerability requires that "magic_quotes_gpc" is disabled.
2) Input passed via the "dir" parameter to scripts/random.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
The vulnerabilities are confirmed in version 1.4.1. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly sanitised and verified.
Provided and/or discovered by: 1) Originally reported in CMScout by John Leitch.
2) Gjoko 'LiquidWorm' Krstic
Original Advisory: John Leitch:
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Subject: iBrowser Cross-Site Scripting and Local File Inclusion Vulnerabilities
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