SB2019062601 - Cross-site scripting in MantisBT

Description

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2018-13055)

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:Green

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in the "view_filters_page.php" page. A remote attacker can inject arbitrary code (if CSP settings permit it) through a crafted "PATH_INFO".

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.

2) Cross-site scripting (CVE-ID: CVE-2018-16514)

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

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

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

The vulnerability exists due to an input validation error in the "view_filters_page.php" and "manage_filter_edit_page.php" pages. A remote attacker is able to inject arbitrary code (if CSP settings permit it) through a crafted "PATH_INFO". This vulnerability exists because of an incomplete fix for XSS issue (SB2018080310)

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://github.com/mantisbt/mantisbt/commit/4efac90ed89a5c009108b641e2e95683791a165a
• https://mantisbt.org/blog/archives/mantisbt/602
• https://mantisbt.org/bugs/view.php?id=24580
• https://mantisbt.org/bugs/view.php?id=24731