| Name | CVE-2017-7479 |
| Description | OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker. |
| 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-944-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openvpn (PTS) | jessie, jessie (lts) | 2.3.4-5+deb8u3 | fixed |
| stretch (security), stretch (lts), stretch | 2.4.0-6+deb9u4 | fixed |
| buster | 2.4.7-1+deb10u1 | fixed |
| bullseye | 2.5.1-3 | fixed |
| bookworm (security), bookworm | 2.6.3-1+deb12u2 | fixed |
| sid, trixie | 2.6.12-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| openvpn | source | wheezy | 2.2.1-8+deb7u4 | | DLA-944-1 | |
| openvpn | source | jessie | 2.3.4-5+deb8u2 | | | |
| openvpn | source | (unstable) | 2.4.0-5 | low | | |
Notes
https://github.com/OpenVPN/openvpn/commit/e498cb0ea8d3a451b39eaf6f9b6a7488f18250b8 (master)
https://github.com/OpenVPN/openvpn/commit/591a4e574c43cb9e820950f15dcaabda261def78 (2.4.x)
https://github.com/OpenVPN/openvpn/commit/b727643cdf4e078f132a90e1c474a879a5760578 (2.3.x)
https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg14643.html (3 patches for 2.2.x)
https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits