Summary
Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network (VPN).
Security Fix(es):
* libreswan: Invalid IKEv2 REKEY proposal causes restart (CVE-2023-38710)
* libreswan: Invalid IKEv1 Quick Mode ID causes restart (CVE-2023-38711)
* libreswan: Invalid IKEv1 repeat IKE SA delete causes crash and restart (CVE-2023-38712)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | libreswan | 4.12-1.el9 |
Vulnerabilities 3
-
Unscored —
An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protoco…
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Unscored —
An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or I…
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Unscored —
An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet con…
References
-
report
https://access.redhat.com/security/cve/CVE-2023-38710
-
report
https://access.redhat.com/security/cve/CVE-2023-38711
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report
https://access.redhat.com/security/cve/CVE-2023-38712
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report
https://bugzilla.redhat.com/2215952
-
report
https://bugzilla.redhat.com/2225368
-
report
https://bugzilla.redhat.com/2225369
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advisory
https://errata.almalinux.org/9/ALSA-2023-6549.html