CVE-2020-21047CWE-787

CVE-2020-21047

Medium · published August 22, 2023

CVSS v3.1
5.5
EPSS
0%
Percentile
15.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00251 · 15.6th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2023-08-22T23:16Z
Affected products (1)
ProductVersionsFixed in
elfutils_project/elfutilsall versions—
References (8)
https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html · [email protected]https://sourceware.org/bugzilla/show_bug.cgi?id=25068 · [email protected]https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8 · [email protected]https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html · af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/bugzilla/show_bug.cgi?id=25068 · af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-202008.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-398330.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 22 AUG 00:00Z
    The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application…
    cvelistv5