Heap-based buffer overflow in lout - CVE-2019-19918

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU34946

Heap-based buffer overflow in lout - CVE-2019-19918

Published: December 20, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU34946
CSH Severity: Medium
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-19918
CWE-ID: CWE-122
Exploitation vector: Local 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 a boundary error within the the srcnext() function in z02.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

lout
Fedora
SUSE Linux
Opensuse
lout

How to mitigate CVE-2019-19918

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

lout - addressed in versions 3.40-18.el6, 3.40-18.el7, 3.40-18.fc31, 3.40-18.fc32, 3.40-18.fc33

External References

Related Security Bulletins