SB2020122926 - Fedora 32 update for mingw-binutils

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020122926

SB2020122926 - Fedora 32 update for mingw-binutils

Published: December 29, 2020 Updated: April 25, 2025

Security Bulletin ID SB2020122926
Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2020-35493)

The vulnerability allows a local attacker to perform a denial of service attack.

The vulnerability exists in bfd/pef.c. A local attacker can send a specially crafted PEF file and perform a denial of service attack.


2) Use of uninitialized resource (CVE-ID: CVE-2020-35494)

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.


3) NULL pointer dereference (CVE-ID: CVE-2020-35495)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A local user can submit a crafted input file to be processed by the objdump program and perform a denial of service (DoS) attack.


4) NULL pointer dereference (CVE-ID: CVE-2020-35496)

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists in bfd_pef_scan_start_address() of bfd/pef.c in binutils. A local attacker can trick the victim into opening a specially crafted data and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References