#VU10969 Memory corruption in Firefox ESR - CVE-2018-5130

Vulnerability identifier: #VU10969

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-5130

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Firefox ESR
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 a lack of parameter validation on IPC messages. A remote attacker can send packets with a mismatched RTP payload type in WebRTC connections, trigger memory corruption and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version ESR 52.7.

Vulnerable software versions

Firefox ESR: 52.6.0

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External links
https://www.mozilla.org/en-US/security/advisories/mfsa2018-07/

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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.