CVE-2009-1957 Null dereference in n/a
Remote attackers can crash the strongSwan charon daemon via a specific sequence of IKE requests, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-1957?
CVE-2009-1957 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/ike_sa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an invalid IKE_SA_INIT request that triggers "an incomplete state," followed by a CREATE_CHILD_SA request.
Weakness: CWE-399
Which versions are affected by CVE-2009-1957?
It affects 1 product.
Products include Strongswan Strongswan.
How do I fix CVE-2009-1957?
Upgrade to a fixed version.
Is CVE-2009-1957 being exploited?
There is no known exploitation of CVE-2009-1957 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2009-1957, GHSA-j58f-q3cq-42r5.