CVE-2009-1958 Null dereference in n/a
Remote attackers can cause a denial of service in strongSwan by sending IKE_AUTH requests missing traffic selectors, triggering a null pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-1958?
CVE-2009-1958 is a medium-severity vulnerability in n/a, published on 6 Jun 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-399
Which versions are affected by CVE-2009-1958?
It affects 1 product.
Products include Strongswan Strongswan.
How do I fix CVE-2009-1958?
Upgrade to a fixed version.
Is CVE-2009-1958 being exploited?
There is no known exploitation of CVE-2009-1958 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2009-1958, GHSA-pm9j-fmr9-h964.