Medium severity · published Aug 22, 2023
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…
5.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Elfutils · Elfutils Project
0.177 · source: NVD
RR
RUGGEDCOM ROX MX5000 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX MX5000RE · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1400 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1500 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1501 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1510 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1511 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1512 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1524 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1536 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX5000 · Siemens
before V2.17.0 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-21047
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-21047
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html
Issue Tracking
https://sourceware.org/bugzilla/show_bug.cgi?id=25068
sourceware.org
https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-202008.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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