CVE-2009-1958
StrongSWAN charon Daemon Null Pointer Vulnerability
Description
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.
INFO
Published Date :
June 8, 2009, 1 a.m.
Last Modified :
April 9, 2025, 12:30 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
                                            The following products are affected by CVE-2009-1958
                                            vulnerability.
                                            Even if cvefeed.io is aware of the exact versions of the
                                            products
                                            that
                                            are
                                            affected, the information is not represented in the table below.
                                        
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | 
Solution
- Update the affected strongSwan packages.
- Apply the appropriate vendor patches.
References to Advisories, Solutions, and Tools
                                            Here, you will find a curated list of external links that provide in-depth
                                            information, practical solutions, and valuable tools related to
                                            CVE-2009-1958.
                                        
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2009-1958 is
            associated with the following CWEs:
        
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
            (CAPEC)
            stores attack patterns, which are descriptions of the common attributes and
            approaches employed by adversaries to exploit the CVE-2009-1958
            weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
			The following list is the news that have been mention
			CVE-2009-1958 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2009-1958 vulnerability over time.
            
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
- 
                            CVE Modified by af854a3a-2127-422b-91ae-364da2661108Nov. 21, 2024 Action Type Old Value New Value Added Reference http://download.strongswan.org/CHANGES4.txt Added Reference http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch Added Reference http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme Added Reference http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html Added Reference http://secunia.com/advisories/35296 Added Reference http://secunia.com/advisories/35685 Added Reference http://secunia.com/advisories/36922 Added Reference http://www.debian.org/security/2009/dsa-1899 Added Reference http://www.securityfocus.com/bid/35178 Added Reference https://lists.strongswan.org/pipermail/users/2009-May/003457.html 
- 
                            CVE Modified by [email protected]May. 14, 2024 Action Type Old Value New Value 
- 
                            Initial Analysis by [email protected]Jun. 08, 2009 Action Type Old Value New Value 
Vulnerability Scoring Details
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.74 }} -0.91%
score
0.80804
percentile
 
                         
                         
                         
                                             
                                            