PT-2023-12204 · Unknown+1 · Picotcp-Ng+1

Gange666 · Published 2023-02-15 · Updated 2025-03-20 · CVE-2021-33304

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions picoTCP version 1.7.0 picoTCP-NG version 2.1

Description The issue is related to a Double Free vulnerability in the pico fragments.c module, specifically in the pico fragments reassemble function. This vulnerability allows attackers to execute arbitrary code.

Recommendations For picoTCP version 1.7.0, consider disabling the pico fragments reassemble function until a patch is available. For picoTCP-NG version 2.1, restrict access to the modules/pico fragments.c module to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2021-33304

Affected Products

Picotcp

Picotcp-Ng

References · 6

• https://github.com/virtualsquare/picotcp/issues/6 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-33304 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-33304 · Security Note
• https://t.me/cvenotify/115479 · Telegram Post
• https://t.me/cibsecurity/58302 · Telegram Post
• https://t.me/cvenotify/44426 · Telegram Post