SB2023083101 - Memory corruption in elfutils



SB2023083101 - Memory corruption in elfutils

Published: August 31, 2023

Security Bulletin ID SB2023083101
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2020-21047)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to a boundary error within the libcpu component. A remote attacker can create a specially crafted file, trick the victim into opening it and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.