CVE-2020-21047

MEDIUM

elfutils 0.177 - Denial of Service via Crafted ELF File

Title source: llm
STIX 2.1

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.

References (3)

Core 3

Scores

CVSS v3 5.5
EPSS 0.0023
EPSS Percentile 13.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (1)
elfutils_project/elfutils 0.177
Published Aug 22, 2023
Tracked Since Feb 18, 2026