Libreswan/Openswan Pluto IKE Daemon numeric error

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability has been found in Libreswan and Openswan and classified as problematic. This vulnerability affects an unknown part of the component Pluto IKE Daemon. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect availability. CVE summarizes:

The pluto IKE daemon in libreswan before 3.15 and Openswan before 2.6.45, when built with NSS, allows remote attackers to cause a denial of service (assertion failure and daemon restart) via a zero DH g^x value in a KE payload in a IKE packet.

The weakness was released 11/09/2015 (Website). The advisory is shared for download at lists.openswan.org. This vulnerability was named CVE-2015-3240 since 04/10/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86711 (CentOS 7 : libreswan (CESA-2015:1979)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS 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 (86711), SecurityFocus (BID 77536†) and Vulnerability Center (SBV-54157†). Entry connected to this vulnerability is available at VDB-135463.

Affected

  • Libreswan up to up to 3.14
  • Openswan up to 2.6.44

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86711
Nessus Name: CentOS 7 : libreswan (CESA-2015:1979)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-1979
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/10/2015 🔍
11/03/2015 +207 days 🔍
11/03/2015 +0 days 🔍
11/04/2015 +1 days 🔍
11/04/2015 +0 days 🔍
11/09/2015 +5 days 🔍
11/09/2015 +0 days 🔍
11/10/2015 +1 days 🔍
06/26/2022 +2420 days 🔍

Sourcesinfo

Advisory: RHSA-2015:1979
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-3240 (🔍)
SecurityFocus: 77536
SecurityTracker: 1033418
Vulnerability Center: 54157 - Libreswan 3.14 and Earlier Remote DoS via Crafted IKE Packets, Medium

See also: 🔍

Entryinfo

Created: 11/10/2015 09:55 AM
Updated: 06/26/2022 01:13 PM
Changes: 11/10/2015 09:55 AM (58), 03/10/2018 11:23 AM (8), 06/26/2022 01:13 PM (4)
Complete: 🔍
Cache ID: 35:02E:40

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