#VU7835 Use-after-free error in Mozilla Firefox - CVE-2017-7806

 

#VU7835 Use-after-free error in Mozilla Firefox - CVE-2017-7806

Published: August 14, 2017


Vulnerability identifier: #VU7835
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-7806
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mozilla Firefox
Software vendor:
Mozilla

Description

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

The weakness exists due to use-after-free error when the layer manager is freed too early when rendering specific SVG content. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Update to version 55.0.

External links