ID:8756 - Exploit for Out-of-bounds write in Binutils - CVE-2021-20294

 
Main Vulnerability Database Exploits ID:8756 - Exploit for Out-of-bounds write in Binutils - CVE-2021-20294

ID:8756 - Exploit for Out-of-bounds write in Binutils - CVE-2021-20294

Published: January 22, 2023


Vulnerability identifier: #VU66491
Vulnerability risk: Medium
CVE-ID: CVE-2021-20294
CWE-ID: CWE-787
Exploitation vector: Remote access
Vulnerable software:
Binutils

Link to public exploit:


Vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in readelf. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install updates from vendor's website.