Use of uninitialized resource in Binutils - CVE-2020-35494
Published: April 22, 2025
Vulnerability identifier: #VU107637
CSH Severity: Low
CVSS v4: 5.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-35494
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources in binutils /opcodes/tic4x-dis.c. A local user can submit a crafted input file to be processed by binutils, trigger uninitialized usage of resources and bypass implemented security mechanisms.
Affected software
Binutils
Gentoo Linux
Fedora
IBM Cloud Pak for Security
mingw-binutils
sys-devel/binutils
Gentoo Linux
Fedora
IBM Cloud Pak for Security
mingw-binutils
sys-devel/binutils
How to mitigate CVE-2020-35494
Install updates from vendor's website.
Binutils - update to 2.34
IBM Cloud Pak for Security - update to 1.11.2.0
mingw-binutils - update to 2.32-9.fc32
sys-devel/binutils - update to 2.35.2
IBM Cloud Pak for Security - update to 1.11.2.0
mingw-binutils - update to 2.32-9.fc32
sys-devel/binutils - update to 2.35.2