| Name | CVE-2009-0790 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-1759-1, DSA-1760-1 |
| Debian Bugs | 521949, 521950 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| strongswan (PTS) | bullseye (security), bullseye | 5.9.1-1+deb11u4 | fixed |
| bookworm, bookworm (security) | 5.9.8-5+deb12u1 | fixed | |
| sid, trixie | 6.0.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openswan | source | etch | 1:2.4.6+dfsg.2-1.1+etch1 | DSA-1760-1 | ||
| openswan | source | lenny | 1:2.4.12+dfsg-1.3+lenny1 | DSA-1760-1 | ||
| openswan | source | (unstable) | 1:2.6.21+dfsg-1 | medium | 521949 | |
| strongswan | source | etch | 2.8.0+dfsg-1+etch1 | DSA-1759-1 | ||
| strongswan | source | lenny | 4.2.4-5+lenny1 | DSA-1759-1 | ||
| strongswan | source | (unstable) | 4.2.14-1 | medium | 521950 |