CVE-2020-21047 Detail

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.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write NIST  

Change History

1 change records found show changes

Initial Analysis by NIST 8/24/2023 5:56:20 PM

Action Type Old Value New Value
Added CPE Configuration
OR
     *cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*
Added CVSS V3.1
NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Added CWE
NIST CWE-787
Changed Reference Type
https://sourceware.org/bugzilla/show_bug.cgi?id=25068 No Types Assigned
https://sourceware.org/bugzilla/show_bug.cgi?id=25068 Issue Tracking
Changed Reference Type
https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=99dc63b10b3878616b85df2dfd2e4e7103e414b8 No Types Assigned
https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=99dc63b10b3878616b85df2dfd2e4e7103e414b8 Patch

Quick Info

CVE Dictionary Entry:
CVE-2020-21047
NVD Published Date:
08/22/2023
NVD Last Modified:
08/24/2023
Source:
MITRE