strongSWAN up to 2.8.2 resource management

EntryHistoryDiffjsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in strongSWAN up to 2.8.2 (Network Encryption Software). This affects an unknown code block. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKE_AUTH request without a (1) TSi or (2) TSr traffic selector.

The weakness was shared 06/07/2009 (Website). It is possible to read the advisory at download.strongswan.org. This vulnerability is uniquely identified as CVE-2009-1958 since 06/06/2009. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 44764 (Debian DSA-1899-1 : strongswan - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 2.8.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (50917) and Tenable (44764). The entries 44476, 48458 and 47451 are related to this item.

Productinfo

Type

Network Encryption Software

Name

strongSWAN

Version

License

open-source

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 44764
Nessus Name: Debian DSA-1899-1 : strongswan - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 65006
OpenVAS Name: Debian Security Advisory DSA 1899-1 (strongswan)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: strongSWAN 2.8.3

Timelineinfo

06/02/2009 🔍
06/02/2009 +0 days 🔍
06/06/2009 +4 days 🔍
06/07/2009 +1 days 🔍
06/07/2009 +0 days 🔍
06/07/2009 +0 days 🔍
07/30/2009 +53 days 🔍
03/17/2015 +2056 days 🔍
08/11/2021 +2339 days 🔍

Sourcesinfo

Advisory: download.strongswan.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-1958 (🔍)
OVAL: 🔍

X-Force: 50917
Vulnerability Center: 23005 - strongSWAN \x3C 4.3.1 Charon Daemon NULL checks for TSi and TSr Payload Remote DoS, High
SecurityFocus: 35178 - strongSwan IKE Request Multiple Remote Denial Of Service Vulnerabilities
Secunia: 35296 - strongSwan Two Denial of Service Vulnerabilities, Moderately Critical

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 08/11/2021 14:27
Changes: 03/17/2015 23:38 (60), 02/12/2017 13:00 (13), 08/11/2021 14:27 (3)
Complete: 🔍