Medium severity · published Feb 20, 2024
CVE-2023-39541
A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01
5.9
CVSS
0.8%
EPSS
No
On KEV
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 IPv6 ICMPv6 packet.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GP
Gecko Platform · Silicon Labs
4.3.1.0 · source: vendor
UC
uC-TCP-IP · Weston Embedded
v3.06.01 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39541
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39541
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828
www.talosintelligence.com
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1828
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CVE-2023-39540
A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01