linux-patch-openswan 2.4.12 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/snap##### and (b) /tmp/nightly##### temporary files, related to the (1) maysnap and (2) maytest scripts.
The IPSEC livetest tool in Openswan 2.4.12 and earlier, and 2.6.x through 2.6.16, allows local users to overwrite arbitrary files and execute arbitrary code via a symlink attack on the (1) ipseclive.conn and (2) ipsec.olts.remote.log temporary files. NOTE: in many distributions and the upstream version, this tool has been disabled.
Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote authenticated users to cause a denial of service (pluto IKE daemon crash) via vectors related to the (1) quickoutI1continue and (2) quickoutI1 functions.