PT-2022-27185 · Picoc · Picoc

Halcy0Nic · Published 2022-11-08 · Updated 2022-11-08 · CVE-2022-44321

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions PicoC version 3.2.2

Description A heap buffer overflow was discovered in the LexSkipComment function in lex.c when called from LexScanGetToken, which can lead to a potential issue.

Recommendations For PicoC version 3.2.2, consider disabling the LexSkipComment function as a temporary workaround until a patch is available. Restrict access to the lex.c file to minimize the risk of exploitation. Avoid using the LexScanGetToken function in conjunction with LexSkipComment until the issue is resolved.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2022-44321

Affected Products

Picoc

References · 5

• 🔥 https://github.com/jpoirier/picoc/issues/37 · Exploit
• 🔥 https://gitlab.com/zsaleeba/picoc/-/issues/48 · Exploit
• https://osv.dev/vulnerability/CVE-2022-44321 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-44321 · Security Note
• https://t.me/cibsecurity/52645 · Telegram Post