| Name | CVE-2022-23094 |
| Description | Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted IKEv1 packet because pluto/ikev1.c wrongly expects that a state object exists. This is fixed in 4.6. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5048-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libreswan (PTS) | buster (security), buster, buster (lts) | 3.27-6+deb10u1 | fixed |
| bullseye | 4.3-1+deb11u4 | fixed |
| bullseye (security) | 4.3-1+deb11u3 | fixed |
| bookworm | 4.10-2+deb12u1 | fixed |
| sid, trixie | 4.14-1.1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - libreswan <not-affected> (Vulnerable code introduced in 4.2)
https://github.com/libreswan/libreswan/issues/585
https://libreswan.org/security/CVE-2022-23094/CVE-2022-23094.txt
https://libreswan.org/security/CVE-2022-23094/CVE-2022-23094-libreswan-4.2-4.3.patch (4.2-4.3)
https://libreswan.org/security/CVE-2022-23094/CVE-2022-23094-libreswan-4.4-4.5.patch (4.4-4.5)