CVE-2021-33304 — CRITICAL (9.8)

Vulnerability Description

Double Free vulnerability in virtualsquare picoTCP v1.7.0 and picoTCP-NG v2.1 in modules/pico_fragments.c in function pico_fragments_reassemble, allows attackers to execute arbitrary code.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Altran	Picotcp	1.7.0
Altran	Picotcp-Ng	2.1

Related Weaknesses (CWE)

CWE-415

References

https://github.com/virtualsquare/picotcp/issues/6Issue TrackingPatchVendor Advisory
https://github.com/virtualsquare/picotcp/issues/6Issue TrackingPatchVendor Advisory

FAQ

What is CVE-2021-33304?

CVE-2021-33304 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Double Free vulnerability in virtualsquare picoTCP v1.7.0 and picoTCP-NG v2.1 in modules/pico_fragments.c in function pico_fragments_reassemble, allows attackers to execute arbitrary code.

How severe is CVE-2021-33304?

CVE-2021-33304 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-33304?

Check the references section above for vendor advisories and patch information. Affected products include: Altran Picotcp, Altran Picotcp-Ng.