Use-after-free in Firefox ESR and Mozilla Firefox - CVE-2017-5441

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Main Vulnerability Database Vulnerabilities #VU6325

Use-after-free in Firefox ESR and Mozilla Firefox - CVE-2017-5441

Published: April 19, 2017 / Updated: April 20, 2017


Vulnerability identifier: #VU6325
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2017-5441
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to use-after-free error when holding a selection during scroll events. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Firefox ESR
Mozilla Firefox
MGUARD CENTERPORT
MGUARD RS4000 TX/TX VPN-M
MGUARD RS4000 TX/TX VPN
MGUARD RS4000 TX/TX
MGUARD RS2005 TX VPN
MGUARD RS2000 TX/TX-B
MGUARD RS2000 TX/TX VPN
MGUARD PCIE4000 VPN
MGUARD PCI4000 VPN
MGUARD GT/GT VPN
MGUARD GT/GT
MGUARD DELTA TX/TX VPN
MGUARD DELTA TX/TX
MGUARD RS4000 TX/TX-P
MGUARD RS4004 TX/DTX
MGUARD RS4004 TX/DTX VPN
MGUARD SMART2
MGUARD SMART2 VPN
MGUARD RS2000 3G VPN
MGUARD RS4000 3G VPN
MGUARD CORE TX VPN
MGUARD RS2000 4G VPN
MGUARD RS4000 4G VPN
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for x86_64
SUSE Linux
Ubuntu
Mozilla Thunderbird

How to mitigate CVE-2017-5441

Update to Firefox 53, Firefox ESR 45.9 or Firefox ESR 52.1.


External References

Related Security Bulletins