Cross-site scripting in Bugzilla - CVE-2015-8508
Published: January 3, 2016 / Updated: August 9, 2020
Vulnerability identifier: #VU40563
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2015-8508
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Bugzilla
Bugzilla
Detailed vulnerability description
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in showdependencygraph.cgi in Bugzilla 2.x, 3.x, and 4.x before 4.2.16, 4.3.x and 4.4.x before 4.4.11, and 4.5.x and 5.0.x before 5.0.2, when a local dot configuration is used,. A remote 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.
How to mitigate CVE-2015-8508
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://packetstormsecurity.com/files/135048/Bugzilla-Cross-Site-Scripting-Information-Leak.html
- http://seclists.org/bugtraq/2015/Dec/131
- http://www.securityfocus.com/bid/79660
- http://www.securitytracker.com/id/1034556
- https://bugzilla.mozilla.org/show_bug.cgi?id=1221518
- https://www.bugzilla.org/security/4.2.15/