Use-after-free error in Mozilla Firefox - CVE-2018-5097

 

Use-after-free error in Mozilla Firefox - CVE-2018-5097

Published: January 24, 2018


Vulnerability identifier: #VU10177
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-2018-5097
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 weakness exists due to use-after-free error during XSL transformations. 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.

Affected software

Mozilla Firefox
Gentoo Linux
Debian Linux
Red Hat Enterprise Linux for x86_64
SUSE Linux
Ubuntu
Opensuse
OTRS
Mozilla Thunderbird
firefox-esr (Alpine package)

How to mitigate CVE-2018-5097

Update to version 58.0.

firefox-esr (Alpine package) - update to 52.6.0-r0

External References

Related Security Bulletins