| Name | CVE-2021-41990 |
| Description | The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur. |
| 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-4989-1 |
Vulnerable and fixed packages
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 |
| trixie | 6.0.1-1 | fixed |
| sid | 6.0.1-4 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - strongswan <not-affected> (The vulnerable code was introduced later in version 5.6.1)
https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-(cve-2021-41990).html