CVE-2017-1000256
high
CVSS v3
8.1
CVSS v4 NEW
—
VIR risk
8.1
Description
libvirt version 2.3.0 and later is vulnerable to a bad default configuration of "verify-peer=no" passed to QEMU by libvirt resulting in a failure to validate SSL/TLS certificates by default.
Predictions
Exploit likelihood
88%
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.8.0-3 |
| debian | bullseye | fixed | 3.8.0-3 |
| debian | forky | fixed | 3.8.0-3 |
| debian | sid | fixed | 3.8.0-3 |
| debian | trixie | fixed | 3.8.0-3 |
| debian | 9.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| redhat | libvirt | {"startIncluding":"2.3.0","endExcluding":"3.9.0"} | 3.9.0 |
References
- http://www.debian.org/security/2017/dsa-4003
- https://access.redhat.com/security/cve/CVE-2017-1000256
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html
- https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html
- https://security-tracker.debian.org/tracker/CVE-2017-1000256
CWEs
CWE-295
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.