CVE-2020-21047 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00005.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Elfutils Project	Elfutils

Configuration 1 [-]

cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html
https://sourceware.org/bugzilla/show_bug.cgi?id=25068
https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8

History

Mon, 07 Oct 2024 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-08-22T00:00:00

Updated: 2024-10-07T15:41:01.120Z

Reserved: 2020-08-13T00:00:00

Link: CVE-2020-21047

Vulnrichment

Updated: 2024-08-04T14:22:25.620Z

NVD

Status : Modified

Published: 2023-08-22T19:16:09.657

Modified: 2024-11-21T05:12:23.310

Link: CVE-2020-21047

Redhat

No data.

OpenCVE Enrichment

No data.

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