CVE-2009-1958
EPSS 1.7%
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.
How to fix CVE-2009-1958
To remediate CVE-2009-1958, upgrade the affected package to a fixed version below.
- Debian/strongswan—upgrade to 4.2.14-1.1 or later
Is CVE-2009-1958 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.2.14-1.1