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Fixed

LIN1021-6372 : Security Advisory - elfutils - CVE-2020-21047

Created: Aug 23, 2023 Updated: Apr 29, 2024

Resolved Date: Apr 26, 2024

Found In Version: 10.21.20.1

Severity: Standard

Applicable for: Wind River Linux LTS 21

Component/s: Userspace

Description

The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.

CREATE(Triage):(User=admin) CVE-2020-21047 (https://nvd.nist.gov/vuln/detail/CVE-2020-21047)