What is CVE-2021-33294?

CVE-2021-33294 is a medium-severity vulnerability in Elfutils Project, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2023-07-18.

How severe is CVE-2021-33294?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-33294 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Elfutils Project

CVE-2021-33294

In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.

EPSS: 0.003 (21.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Elfutils_project Elfutils — versions 0.183
N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

Public proof-of-concept exploits

fokypoky/places-list

References

cve@mitre.org (Exploit, Issue Tracking)
cve@mitre.org (Patch, Mailing List)

Frequently asked questions

What is CVE-2021-33294?: CVE-2021-33294 is a medium-severity vulnerability in Elfutils Project, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2023-07-18.
How severe is CVE-2021-33294?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-33294 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.