#VU44122 Permissions, Privileges, and Access Controls in Bugzilla - CVE-2012-0465

Vulnerability identifier: #VU44122

Vulnerability risk: Medium

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

CVE-ID: CVE-2012-0465

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Bugzilla
Web applications / Other software

Vendor: Mozilla

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

Bugzilla 3.5.x and 3.6.x before 3.6.9, 3.7.x and 4.0.x before 4.0.6, and 4.1.x and 4.2.x before 4.2.1, when the inbound_proxies option is enabled, does not properly validate the X-Forwarded-For HTTP header, which allows remote attackers to bypass the lockout policy via a series of authentication requests with (1) different IP address strings in this header or (2) a long string in this header.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Bugzilla: 3.5.1 - 4.2

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External links
https://archives.neohapsis.com/archives/bugtraq/2012-04/0135.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-May/079432.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-May/079481.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-May/079604.html
https://bugzilla.mozilla.org/show_bug.cgi?id=728639

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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.