CVE-2019-10155

libreswan: vulnerability in the processing of IKEv1 informational packets due to missing integrity check

Severity Score

3.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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 versions before 3.29.

Se ha encontrado una vulnerabilidad en el proyecto The Libreswan en el procesador de IKEv1 Los paquetes de intercambio informativo IKEv1 que están cifrados y protegidos por integridad utilizando las claves de integridad y cifrado IKE SA establecidas, pero como receptor, el valor de verificación de integridad no se verificó. Este problema afecta a las versiones anteriores a 3.29.

A vulnerability was found in the Libreswan Project. It was discovered that libreswan, strongswan, and openswan did not verify the integrity check value for received IKEv1 Informational Exchange packets.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-03-27 CVE Reserved
2019-06-12 CVE Published
2024-08-04 CVE Updated
2024-11-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-354: Improper Validation of Integrity Check Value

CAPEC

References (7)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10155	2023-11-07
https://libreswan.org/security/CVE-2019-10155	2023-11-07

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2019:3391	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUEXFCN7FAYBKJBQJLYCEUQUCHDEJRZW	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFGPGLLKAXSLWFI62A6BZHTZSCHRCBXS	2023-11-07
https://access.redhat.com/security/cve/CVE-2019-10155	2019-11-05
https://bugzilla.redhat.com/show_bug.cgi?id=1714141	2019-11-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libreswan Search vendor "Libreswan"		Libreswan Search vendor "Libreswan" for product "Libreswan"				< 3.29 Search vendor "Libreswan" for product "Libreswan" and version " < 3.29"		-		Affected
Strongswan Search vendor "Strongswan"		Strongswan Search vendor "Strongswan" for product "Strongswan"				< 5.0.0 Search vendor "Strongswan" for product "Strongswan" and version " < 5.0.0"		-		Affected
Xelerance Search vendor "Xelerance"		Openswan Search vendor "Xelerance" for product "Openswan"				*		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				29 Search vendor "Fedoraproject" for product "Fedora" and version "29"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				30 Search vendor "Fedoraproject" for product "Fedora" and version "30"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected