ALSA-2023:6549 Moderate: libreswan security update

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...

Rocky Linux 8 : libreswan (RLSA-2022:0199)

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...

SUSE CVE-2015-3204

libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service daemon restart via an IKEv1 packet with 1 unassigned bits set in the IPSEC DOI value or 2 the next payload value set to ISAKMPNEXTSAK...

SUSE CVE-2019-10155

The Libreswan Project has found a vulnerability in the processing of IKEv1 informational exchange packets which are encrypted and integrity protected using the established IKE SA encryption and integrity keys, but as a receiver, the integrity check value was not verified. This issue affects...

SUSE CVE-2020-1763

An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash...

SUSE 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...

SUSE CVE-2023-2295

A vulnerability was found in the libreswan library. This security issue occurs when an IKEv1 Aggressive Mode packet is received with only unacceptable crypto algorithms, and the response packet is not sent with a zero responder SPI. When a subsequent packet is received where the sender reuses the...

SUSE CVE-2023-23009

Libreswan 4.9 allows remote attackers to cause a denial of service assert failure and daemon restart via crafted TS payload with an incorrect selector length...

SUSE CVE-2023-30570

pluto in Libreswan before 4.11 allows a denial of service responder SPI mishandling and daemon crash via unauthenticated IKEv1 Aggressive Mode packets. The earliest affected version is 3.28...

Amazon Linux 2 : libreswan (ALAS-2023-2299)

The version of libreswan installed on the remote host is prior to 3.25-4.8. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2299 advisory. A NULL pointer dereference vulnerability was found in the Libreswan package. When an IKEv1 ISAKMP SA Informational Exchange pack...

Medium: libreswan

Issue Overview: A NULL pointer dereference vulnerability was found in the Libreswan package. 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...

The vulnerability of the VPN protocol library using “IPsec” in libreswan, related to the swapping of the zero pointer, allows a attacker to perform a type of attack known as “denial-of-service attack”.

The vulnerability of the VPN protocol using “IPsec” with libreswan is related to an error in pointer arithmetic during the processing of IKEv1 fast packet exchange. Exploiting this vulnerability allows a remote attacker to perform a type of attack known as a “denial-of-service” attack...

The vulnerability of the VPN protocol library using “IPsec” in libreswan, related to the possibility of successful exploitation, allows an attacker to perform a type of attack known as “denial-of-service attack”.

The vulnerability of the VPN protocol using “IPsec” with libreswan is related to a flaw in the processing of IKEv2 REKEY packets. Exploiting this vulnerability allows an attacker operating remotely to perform a type of attack known as a “denial-of-service” attack...

The vulnerability of the VPN protocol library using “IPsec” in libreswan, related to the swapping of the zero pointer, allows a attacker to perform a type of attack known as “denial-of-service attack”.

The vulnerability of the VPN protocol using “IPsec” with libreswan is related to insufficient validation of user-input data during the processing of IKEv1 ISAKMP SA packets. Exploiting this vulnerability allows a remote attacker to perform a type of attack known as a “denial-of-service” attack...

ROS-20230913-03

A vulnerability in libreswan software is related to a null pointer dereferencing error in the IKEv1 fast mode packets. Exploitation of the vulnerability could allow an attacker, remotely send specially crafted packets to the system and perform a denial-of-service attack. denial-of-service attack...

CVE-2023-38711 affecting package libreswan for versions less than 4.7-5

CVE-2023-38711 affecting package libreswan for versions less than 4.7-5. A patched version of the package is available...

CVE-2023-38712 affecting package libreswan for versions less than 4.7-5

CVE-2023-38712 affecting package libreswan for versions less than 4.7-5. A patched version of the package is available...

CVE-2023-38710 affecting package libreswan for versions less than 4.7-5

CVE-2023-38710 affecting package libreswan for versions less than 4.7-5. A patched version of the package is available...

Oracle Linux 8 : libreswan (ELSA-2019-3391)

The remote Oracle Linux 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2019-3391 advisory. 3.29-6.0.1 - Add libreswan-oracle.patch to detect Oracle Linux distro 3.29-6 - Resolves: rhbz1714331 support NSS based IKE KDFs require updated nss for rhbz...

OESA-2023-1581 libreswan security update

Libreswan is an implementation of IKEv1 and IKEv2 for IPsec. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. Security Fixes: An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains ...