Medium severity · published Aug 25, 2023
CVE-2023-38711
An issue was discovered in Libreswan before 4.12
6.5
CVSS
0.8%
EPSS
No
On KEV
Description
An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
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
LI
Libreswan · Libreswan
4.6 before 4.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-38711
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-38711
Third Party Advisory
https://github.com/libreswan/libreswan/tags
Third Party Advisory
https://libreswan.org/security/CVE-2023-38711/
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