SB2015021003 - Input validation error in mantisbt.sourceforge.net MantisBT

Description

This security bulletin contains information about 1 security vulnerability.

1) Input validation error (CVE-ID: CVE-2015-1042)

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The string_sanitize_url function in core/string_api.php in MantisBT 1.2.0a3 through 1.2.18 uses an incorrect regular expression, which allows remote attackers to conduct open redirect and phishing attacks via a URL with a ":/" (colon slash) separator in the return parameter to login_page.php, a different vulnerability than CVE-2014-6316. <a href="http://cwe.mitre.org/data/definitions/601.html">CWE-601: URL Redirection to Untrusted Site ('Open Redirect')</a>

Remediation

Install update from vendor's website.

References

• http://packetstormsecurity.com/files/130142/Mantis-BugTracker-1.2.19-Open-Redirect.html
• http://seclists.org/fulldisclosure/2015/Jan/110
• http://www.openwall.com/lists/oss-security/2015/01/10/5
• http://www.openwall.com/lists/oss-security/2015/01/11/8
• http://www.securitytracker.com/id/1031633
• https://www.mantisbt.org/bugs/view.php?id=17997