CVE-2009-0790 Null dereference in n/a
Remote attackers can crash the IPsec IKE daemon via crafted Dead Peer Detection messages, causing a 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-2009-0790?
CVE-2009-0790 is a medium-severity vulnerability in n/a, published on 1 Apr 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD.
Weakness: CWE-20
Which versions are affected by CVE-2009-0790?
It affects 2 products.
Products include Strongswan Strongswan, Xelerance Openswan.
How do I fix CVE-2009-0790?
Upgrade to a fixed version.
Is CVE-2009-0790 being exploited?
There is no known exploitation of CVE-2009-0790 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2009-0790, DSA-1759-1, GHSA-xf8f-c2h7-7qmc.