Vulnerability Details CVE-2022-23094
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.013
EPSS Ranking 78.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://github.com/libreswan/libreswan/issues/585
- https://libreswan.org/security/CVE-2022-23094
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMIHAXWQUJAPCIGNJ5J5Q6ASWQBU7T5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFZ7WP5LNNBW5ADIOPDSPQ23SXZJRNMP/
- https://www.debian.org/security/2022/dsa-5048
- https://github.com/libreswan/libreswan/issues/585
- https://libreswan.org/security/CVE-2022-23094
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMIHAXWQUJAPCIGNJ5J5Q6ASWQBU7T5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFZ7WP5LNNBW5ADIOPDSPQ23SXZJRNMP/
- https://www.debian.org/security/2022/dsa-5048
Products affected by CVE-2022-23094
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cpe:2.3:a:libreswan:libreswan:4.2
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cpe:2.3:a:libreswan:libreswan:4.3
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cpe:2.3:a:libreswan:libreswan:4.4
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cpe:2.3:a:libreswan:libreswan:4.5
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:fedoraproject:fedora:34
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cpe:2.3:o:fedoraproject:fedora:35