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CVE-2022-44321

Published: Nov 8, 2022Updated: May 1, 2025 Sources: CVE List NVDCWE-787
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.3%
Top 77.1%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available

Description

PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when called from LexScanGetToken.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-787

Affected Products

n/an/a
picocpicoc project
Library
DevTools & CI / build-test-tools
picoc projectoss-projectDevTools & CIaka picoc project

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
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References

https://github.com/jpoirier/picoc/issues/37
github.com
https://gitlab.com/zsaleeba/picoc/-/issues/48
gitlab.com

Timeline

Published
Nov 8, 2022
Last Updated
May 1, 2025

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