Critical severity · published Feb 20, 2024
CVE-2023-38562
A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01
9.1
CVSS
1.1%
EPSS
No
On KEV
Description
A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to memory corruption, potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UC
uC-TCP-IP · Weston Embedded
v3.06.01 · source: vendor, NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-38562
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-38562
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829
www.talosintelligence.com
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1829
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