CVE-2020-21047

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Source
https://cve.org/CVERecord?id=CVE-2020-21047
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21047.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-21047
Downstream
Published
2023-08-22T19:16:09.657Z
Modified
2026-07-16T03:45:57.973637913Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / sourceware.org/git/elfutils.git

Affected ranges

Type
GIT
Repo
https://sourceware.org/git/elfutils.git
Events
Introduced
5643e037cb7a38ed5d52f50421be706ea8014e3d
Last affected
5643e037cb7a38ed5d52f50421be706ea8014e3d
Database specific 
{
    "cpe": "cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0.177"
        },
        {
            "last_affected": "0.177"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

0.*
0.177
elfutils-0.*
elfutils-0.177

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21047.json"