Cross-site scripting in Mozilla Bugzilla

1) Cross-site scripting

EUVDB-ID: #VU44825

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-2011-2976

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 XSS attacks.

The vulnerability is caused by an input validation error in Bugzilla 2.16rc1 through 2.22.7, 3.0.x through 3.3.x, and 3.4.x before 3.4.12. 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: 2.16 - 3.4.11

CPE2.3

• cpe:2.3:a:mozilla:bugzilla:2.16:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:bugzilla:2.16.2:*:*:*:*:*:*:*

External links

https://secunia.com/advisories/45501
https://www.bugzilla.org/security/3.4.11/
https://www.osvdb.org/74303
https://www.securityfocus.com/bid/49042
https://bugzilla.mozilla.org/show_bug.cgi?id=660053
https://exchange.xforce.ibmcloud.com/vulnerabilities/69038

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.