Vulnerability identifier: #VU10660

Vulnerability risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5123

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Bugzilla
Web applications / Other software

Vendor: Mozilla

Description
The vulnerability allows a remote unauthenticated attacker to perform CSRF attack.

The weakness exists in the image generation function in 'report.cgi' due to access control flaw. A remote attacker can create a specially crafted HTML page or URL, trick the victim into visiting it, gain access to the system and perform arbitrary actions.

Mitigation
The vulnerability is addressed in the following versions: 4.4.13, 5.0.4.

Vulnerable software versions

Bugzilla: 4.4 - 5.0.3

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External links
http://www.bugzilla.org/security/4.4.12/

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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.