Vulnerability identifier: #VU12532

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5180

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to heap-used-after-free error during WebGL operations. A remote attacker can trick the victim into visiting a specially crafted website, cause the memory to be freed and reused in a brief window of time during the freeing of the same callstack.

Successful exploitation of the vulnerability result may result in system compromise.

Mitigation
Update to version 60.0.

Vulnerable software versions

Mozilla Firefox: 59.0 - 59.0.2

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2018-11/

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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.