| Name | CVE-2017-9023 |
| Description | The ASN.1 parser in strongSwan before 5.5.3 improperly handles CHOICE types when the x509 plugin is enabled, which allows remote attackers to cause a denial of service (infinite loop) via a crafted certificate. |
| 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-973-1, DSA-3866-1 |
Vulnerable and fixed packages
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.
Notes
upstream fix https://git.strongswan.org/?p=strongswan.git;a=commit;h=407fcca200fdf6a41a04ac0885a770b6b53c5d23