Out-of-bounds write in Gerbv - CVE-2021-40391
Published: November 8, 2021
Vulnerability identifier: #VU57977
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-40391
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 drill format T-code tool number functionality. A remote attacker can use a specially crafted drill file, trigger out-of-bounds write and execute arbitrary code on the target system.
Affected software
Gerbv
Fedora
gerbv
Fedora
gerbv
How to mitigate CVE-2021-40391
Install updates from vendor's website.
Gerbv - update to 2.7.1
gerbv - update to 2.9.2-1.fc36
gerbv - update to 2.9.2-1.fc36