CVE-2020-35494Use of Uninitialized Resource in Binutils

Severity
6.1MEDIUMNVD
EPSS
0.1%
top 70.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 4
Latest updateMay 24

Description

There's a flaw in binutils /opcodes/tic4x-dis.c. An attacker who is able to submit a crafted input file to be processed by binutils could cause usage of uninitialized memory. The highest threat is to application availability with a lower threat to data confidentiality. This flaw affects binutils versions prior to 2.34.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:HExploitability: 1.8 | Impact: 4.2

Affected Packages3 packages

NVDgnu/binutils< 2.34
Debiangnu/binutils< 2.33.50.20200107-1+3
CVEListV5gnu/binutilsbinutils 2.34

Also affects: Fedora 32

Patches

🔴Vulnerability Details

3
GHSA
GHSA-4cpw-77g4-8rhj: There's a flaw in binutils /opcodes/tic4x-dis2022-05-24
OSV
CVE-2020-35494: There's a flaw in binutils /opcodes/tic4x-dis2021-01-04
CVEList
CVE-2020-35494: There's a flaw in binutils /opcodes/tic4x-dis2021-01-04

📋Vendor Advisories

3
Microsoft
There's a flaw in binutils /opcodes/tic4x-dis.c. An attacker who is able to submit a crafted input file to be processed by binutils could cause usage of uninitialized memory. The highest threat is to 2021-01-12
Debian
CVE-2020-35494: binutils - There's a flaw in binutils /opcodes/tic4x-dis.c. An attacker who is able to subm...2020
Red Hat
binutils: usage of unitialized heap in tic4x_print_cond function in opcodes/tic4x-dis.c2019-12-27
CVE-2020-35494 — Use of Uninitialized Resource | cvebase