Cross-site scripting in Mozilla Bugzilla

1) Cross-site scripting

EUVDB-ID: #VU43061

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-0785

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

Exploit availability: No

Description

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

An input validation error exists in show_bug.cgi in Bugzilla before 3.6.13, 3.7.x and 4.0.x before 4.0.10, 4.1.x and 4.2.x before 4.2.5, and 4.3.x and 4.4.x before 4.4rc2 when processing id parameter in conjunction with an invalid value of the format parameter. 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.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Bugzilla: 3.6 - 4.4

CPE2.3

• cpe:2.3:a:mozilla:bugzilla:3.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:3.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:3.6.1:*:*:*:*:*:*:*

External links

https://www.bugzilla.org/security/3.6.12/
https://www.mandriva.com/security/advisories?name=MDVSA-2013:066
https://bugzilla.mozilla.org/show_bug.cgi?id=842038

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.