Out-of-bounds write in GTKWave - CVE-2023-39443
Published: January 9, 2024
Vulnerability identifier: #VU85085
CSH Severity: High
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-2023-39443
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in string copy loop during LXT2 lxt2_rd_get_facname decompression. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.
Affected software
GTKWave
Debian Linux
gtkwave (Debian package)
Debian Linux
gtkwave (Debian package)
How to mitigate CVE-2023-39443
Install updates from vendor's website.
GTKWave - update to 3.3.118
gtkwave (Debian package) - addressed in versions 3.3.104+really3.3.118-0+deb11u1, 3.3.118-0.1~deb12u1
gtkwave (Debian package) - addressed in versions 3.3.104+really3.3.118-0+deb11u1, 3.3.118-0.1~deb12u1