#VU43061 Cross-site scripting in Bugzilla - CVE-2013-0785

Vulnerability identifier: #VU43061

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Bugzilla
Web applications / Other software

Vendor: Mozilla

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

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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

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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.