CVE-2020-21047

Published: Aug 22, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-787

5.5MEDIUM

NVD MITRE

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-787

Affected Products

Сообщество свободного программного обеспечения

oss-projectaka fsf

Debian GNU/LinuxOn-premOS

Operating Systems / linux-distro

ElfutilsLibraryLibrary

OSS Libraries / generic-library

elfutils project

oss-project

elfutilsLibrary

OSS Libraries / generic-library

ООО «РусБИТех-Астра»

commercial·RUaka rusbitech-astra

Astra Linux Special EditionOn-premOS

Operating Systems / linux-distro

АО «НППКТ»

commercial·RU

ОСОН ОСнова ОnyxOn-premOS

Operating Systems / linux-distro

and 1 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

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References

https://sourceware.org/bugzilla/show_bug.cgi?id=25068

sourceware.org

https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8

sourceware.org

https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html

lists.debian.org

and 18 more references View all →

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