SB2017031004 - Cross-site scripting in mantisbt.sourceforge.net MantisBT

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2017-6797)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in bug_change_status_page.php in MantisBT before 1.3.7 and 2.x before 2.2.1. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Remediation

Install update from vendor's website.

References

• http://www.mantisbt.org/bugs/view.php?id=22486
• http://www.openwall.com/lists/oss-security/2017/03/10/1
• http://www.securityfocus.com/bid/96818
• http://www.securitytracker.com/id/1037978
• https://github.com/mantisbt/mantisbt/commit/a2d90ecabf3bcf3aa22ed9dbbecfd3d37902956f
• https://github.com/mantisbt/mantisbt/commit/c272c3f65da9677e505ff692b1f1e476b3afa56e