CVE-2017-7479
medium
CVSS v3
6.5
CVSS v4 NEW
—
VIR risk
6.5
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.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 2.4.2-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.4.0-5 |
| sid | Fixed | 2.4.0-5 |
| forky | Fixed | 2.4.0-5 |
| bullseye | Fixed | 2.4.0-5 |
| bookworm | Fixed | 2.4.0-5 |
References
- https://security.archlinux.org/ASA-201705-16
- http://www.debian.org/security/2017/dsa-3900
- http://www.securityfocus.com/bid/98443
- http://www.securitytracker.com/id/1038473
- https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits
- https://security-tracker.debian.org/tracker/CVE-2017-7479
CWEs
CWE-617
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.