| Name | CVE-2020-12105 |
| Description | OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 959428 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openconnect (PTS) | jessie, jessie (lts) | 6.00-2+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 7.08-1+deb9u1 | vulnerable |
| buster, buster (security) | 8.02-1+deb10u1 | vulnerable |
| bullseye | 8.10-2 | vulnerable |
| bookworm | 9.01-3 | vulnerable |
| sid, trixie | 9.12-1 | vulnerable |
The information below is based on the following data on fixed versions.
Notes
[jessie] - openconnect <not-affected> (Vulnerable code introduced later)
https://gitlab.com/openconnect/openconnect/-/merge_requests/96
Only an issue if building with OpenSSL, where Debian binary packages use
GnuTLS.