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.

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2022:0199 advisory.

  - 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. (CVE-2022-23094)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2022:0199 advisory.

  - 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. (CVE-2022-23094)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2022:0239 advisory.

    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: Malicious IKEv1 packet can cause libreswan to restart (CVE-2022-23094)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2022:0199 advisory.

    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: Malicious IKEv1 packet can cause libreswan to restart (CVE-2022-23094)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2022-0199 advisory.

    [4.4-4.0.1]
    - Add libreswan-oracle.patch to detect Oracle Linux distro

    [4.4-4]
    - Resolves: rhbz#2036902 rebuild to enable rpminspect

    [4.4-3]
    - Resolves: rhbz#2036902: fix patch application

    [4.4-2]
    - Resolves: rhbz#2036902 ikev1: disable diagnostics logging on receiving malformed packets

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dsa-5048 advisory.

  - 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. (CVE-2022-23094)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
184698	Rocky Linux 8 : libreswan (RLSA-2022:0199)	Nessus	Rocky Linux Local Security Checks	high
158841	AlmaLinux 8 : libreswan (ALSA-2022:0199)	Nessus	Alma Linux Local Security Checks	high
157051	RHEL 8 : libreswan (RHSA-2022:0239)	Nessus	Red Hat Local Security Checks	high
156913	RHEL 8 : libreswan (RHSA-2022:0199)	Nessus	Red Hat Local Security Checks	high
156875	Oracle Linux 8 : libreswan (ELSA-2022-0199)	Nessus	Oracle Linux Local Security Checks	high
156767	Debian DSA-5048-1 : libreswan - security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2022-23094

high

Tenable Plugins

high

high

high

high

high

high