CVE-2020-21047

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
VendorProductVersion
elfutils_projectelfutils
0.177
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
elfutils
bullseye
0.183-1
fixed
bookworm
0.188-2.1
fixed
sid
0.192-4
fixed
trixie
0.192-4
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
elfutils
lunar
not-affected
jammy
not-affected
focal
Fixed 0.176-1.1ubuntu0.1
released
bionic
Fixed 0.170-0.4ubuntu0.1+esm1
released
xenial
Fixed 0.165-3ubuntu1.2+esm1
released
trusty
Fixed 0.158-0ubuntu5.3+esm1
released
Common Weakness Enumeration
References
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
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