Buffer overflow in Firefox ESR - CVE-2018-5178

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU12578

Buffer overflow in Firefox ESR - CVE-2018-5178

Published: May 10, 2018


Vulnerability identifier: #VU12578
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-2018-5178
CWE-ID: CWE-120
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 improper bounds checking during UTF8 to Unicode string conversion. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.


Affected software

Firefox ESR
Gentoo Linux
Debian Linux
Arch Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power
Red Hat Enterprise Linux for ARM
SUSE Linux
openSUSE Leap
Mozilla Thunderbird

How to mitigate CVE-2018-5178

Update to version 52.8.


External References

Related Security Bulletins