| Name | CVE-2024-28820 |
| Description | Buffer overflow in the extract_openvpn_cr function in openvpn-cr.c in openvpn-auth-ldap (aka the Three Rings Auth-LDAP plugin for OpenVPN) 2.0.4 allows attackers with a valid LDAP username and who can control the challenge/response password field to pass a string with more than 14 colons into this field and cause a buffer overflow. |
| 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 | 1074425 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openvpn-auth-ldap (PTS) | bullseye | 2.0.4-1 | vulnerable |
| bookworm | 2.0.4-3 | vulnerable |
| sid, trixie | 2.0.4-4 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - openvpn-auth-ldap <no-dsa> (Minor issue)
[bullseye] - openvpn-auth-ldap <no-dsa> (Minor issue)
https://github.com/threerings/openvpn-auth-ldap/pull/92