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Red Hat: CVE-2023-38712: libreswan: Invalid IKEv1 repeat IKE SA delete causes crash and restart (Multiple Advisories)

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Red Hat: CVE-2023-38712: libreswan: Invalid IKEv1 repeat IKE SA delete causes crash and restart (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/25/2023
Created
11/09/2023
Added
11/08/2023
Modified
12/15/2023

Description

An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.

Solution(s)

  • redhat-upgrade-libreswan
  • redhat-upgrade-libreswan-debuginfo
  • redhat-upgrade-libreswan-debugsource

References

  • CVE-2023-38712
  • RHSA-2023:6549
  • RHSA-2023:7052

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