Libreswan up to 3.27 Pluto IKE Daemon ikev2_send.c IKEv2 Packet null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Libreswan up to 3.27. This impacts an unknown function of the file programs/pluto/ikev2_send.c of the component Pluto IKE Daemon. This manipulation as part of IKEv2 Packet causes null pointer dereference. This vulnerability appears as CVE-2019-12312. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Libreswan up to 3.27 and classified as problematic. Affected by this vulnerability is some unknown processing of the file programs/pluto/ikev2_send.c of the component Pluto IKE Daemon. The manipulation as part of a IKEv2 Packet leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

In Libreswan before 3.28, an assertion failure can lead to a pluto IKE daemon restart. An attacker can trigger a NULL pointer dereference by sending two IKEv2 packets (init_IKE and delete_IKE) in 3des_cbc mode to a Libreswan server. This affects send_v2N_spi_response_from_state in programs/pluto/ikev2_send.c when built with Network Security Services (NSS).

The weakness was presented 05/24/2019. This vulnerability is known as CVE-2019-12312 since 05/24/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.28 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Libreswan 3.28

Timelineinfo

05/24/2019 🔍
05/24/2019 +0 days 🔍
05/24/2019 +0 days 🔍
09/24/2023 +1584 days 🔍

Sourcesinfo

Advisory: 246
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-12312 (🔍)
GCVE (CVE): GCVE-0-2019-12312
GCVE (VulDB): GCVE-100-135463

Entryinfo

Created: 05/24/2019 21:58
Updated: 09/24/2023 10:07
Changes: 05/24/2019 21:58 (55), 06/15/2020 11:07 (1), 09/24/2023 10:07 (5)
Complete: 🔍
Cache ID: 216::103

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