Home/CVE/In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to caus
CVE

CVE-2021-33294

In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to caus

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.

MEDIUM · CVSS 5.5 EPSS 0.0002
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
▤

Affected Products & Versions

1
elfutils project elfutilsall versions
⚠

Public Exploits & PoCs

1
pocsourceware.org · show_bug.cgi?id=27501sourceware.org
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Jul 2023 · 02:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
siemens-csafSSA-398330
usnUSN-6322-1
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-348-10
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.htmlMailing ListPatch
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