| Name | CVE-2015-4171 |
| Description | strongSwan 4.3.0 through 5.x before 5.3.2 and strongSwan VPN Client before 1.4.6, when using EAP or pre-shared keys for authenticating an IKEv2 connection, does not enforce server authentication restrictions until the entire authentication process is complete, which allows remote servers to obtain credentials by using a valid certificate and then reading the responses. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-244-1, DSA-3282-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| strongswan (PTS) | jessie, jessie (lts) | 5.2.1-6+deb8u11 | fixed |
| stretch (security) | 5.5.1-4+deb9u6 | fixed | |
| stretch (lts), stretch | 5.5.1-4+deb9u7 | fixed | |
| buster (security), buster, buster (lts) | 5.7.2-1+deb10u4 | fixed | |
| bullseye (security), bullseye | 5.9.1-1+deb11u4 | fixed | |
| bookworm (security), bookworm | 5.9.8-5+deb12u1 | fixed | |
| sid, trixie | 5.9.13-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| strongswan | source | squeeze | 4.4.1-5.7 | DLA-244-1 | ||
| strongswan | source | wheezy | 4.5.2-1.5+deb7u7 | DSA-3282-1 | ||
| strongswan | source | jessie | 5.2.1-6+deb8u1 | DSA-3282-1 | ||
| strongswan | source | (unstable) | 5.3.1-1 |
https://www.strongswan.org/blog/2015/06/08/strongswan-vulnerability-(cve-2015-4171).html