Out-of-bounds write in GTKWave - CVE-2023-34436
Published: January 9, 2024
Vulnerability identifier: #VU85095
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-2023-34436
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 when processing untrusted input in the LXT2 num_time_table_entries functionality. A remote attacker can create a specially crafted .lxt2 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
Fedora
gtkwave (Debian package)
gtkwave
Debian Linux
Fedora
gtkwave (Debian package)
gtkwave
How to mitigate CVE-2023-34436
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 - addressed in versions 3.3.118-1.el7, 3.3.118-1.el8, 3.3.118-1.el9, 3.3.118-1.fc38, 3.3.118-1.fc39
gtkwave (Debian package) - addressed in versions 3.3.104+really3.3.118-0+deb11u1, 3.3.118-0.1~deb12u1
gtkwave - addressed in versions 3.3.118-1.el7, 3.3.118-1.el8, 3.3.118-1.el9, 3.3.118-1.fc38, 3.3.118-1.fc39