Libreswan 3.16 IKEv2 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Libreswan 3.16. It has been classified as problematic. Impacted is an unknown function of the component IKEv2 Handler. This manipulation causes input validation. The identification of this vulnerability is CVE-2016-3071. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Libreswan 3.16. Affected by this vulnerability is an unknown code block of the component IKEv2 Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.

The weakness was shared 04/18/2016 (Website). The advisory is shared at lists.fedoraproject.org. This vulnerability is known as CVE-2016-3071 since 03/09/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90517 (Fedora 23 : libreswan-3.17-1.fc23 (2016-680a5a8ead)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (90517) and SecurityFocus (BID 87295†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Input validation
CWE: CWE-20
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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Nessus ID: 90517
Nessus Name: Fedora 23 : libreswan-3.17-1.fc23 (2016-680a5a8ead)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for libreswan FEDORA-2016-711
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2016 🔍
04/13/2016 +34 days 🔍
04/13/2016 +0 days 🔍
04/14/2016 +1 days 🔍
04/18/2016 +4 days 🔍
04/18/2016 +0 days 🔍
04/19/2016 +1 days 🔍
07/25/2022 +2288 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-680a5a8ead
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3071 (🔍)
GCVE (CVE): GCVE-0-2016-3071
GCVE (VulDB): GCVE-100-82549
SecurityFocus: 87295 - Libreswan CVE-2016-3071 Remote Denial of Service Vulnerability

Entryinfo

Created: 04/19/2016 11:59
Updated: 07/25/2022 10:05
Changes: 04/19/2016 11:59 (40), 10/13/2018 08:37 (32), 07/25/2022 10:05 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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