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.
Published 2009-06-08 01:00:01
Updated 2009-10-14 05:24:20
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2009-1958

Probability of exploitation activity in the next 30 days: 5.97%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 92 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-1958

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
nvd@nist.gov

CWE ids for CVE-2009-1958

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2009-1958

Products affected by CVE-2009-1958

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