CVE-2023-39540 — MEDIUM (5.9)

Vulnerability Description

A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv4 ICMP packet.

CVSS Score

5.9

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Weston-Embedded	Uc-Tcp-Ip	3.06.01

Related Weaknesses (CWE)

CWE-126 CWE-125

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1828

FAQ

What is CVE-2023-39540?

CVE-2023-39540 is a vulnerability with a CVSS score of 5.9 (MEDIUM). A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An at...

How severe is CVE-2023-39540?

CVE-2023-39540 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-39540?

Check the references section above for vendor advisories and patch information. Affected products include: Weston-Embedded Uc-Tcp-Ip.