Vulnerability identifier: #VU5929

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-5411

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 cause denial of service attack.

The vulnerability exists due to use-after-free error during buffer storage operations within the ANGLE graphics library, used for WebGL content. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and cause denial of service attack.

Successful exploitation of the vulnerability may allow an attacker to crash the victim’s browser.

Mitigation
Update to Firefox 52.

Vulnerable software versions

Mozilla Firefox: 50.0 - 51.0.3

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2017-05/

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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.