| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DSA-4989-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| strongswan (PTS) | buster | 5.7.2-1+deb10u2 | fixed |
| buster (security) | 5.7.2-1+deb10u3 | fixed | |
| bullseye (security), bullseye | 5.9.1-1+deb11u3 | fixed | |
| bookworm, sid | 5.9.8-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| strongswan | source | stretch | (not affected) | |||
| strongswan | source | buster | 5.7.2-1+deb10u1 | DSA-4989-1 | ||
| strongswan | source | bullseye | 5.9.1-1+deb11u1 | DSA-4989-1 | ||
| strongswan | source | (unstable) | 5.9.4-1 |
[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