Vulnerability in Debian Linux
CVE-2017-1000256
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (77.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: +0.000
Affected products
- Debian Linux — versions 9.0
- Red Hat Libvirt
Weakness classification (CWE)
References
- www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html (Vendor Advisory, mailing-list, Issue Tracking)
- www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1556251.html
- www.debian.org/security/2017/dsa-4003 (vendor-advisory, Third Party Advisory)
- access.redhat.com/security/cve/CVE-2017-1000256 (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-1000256?
- CVE-2017-1000256 is a high-severity vulnerability in Debian Linux, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2017-10-31.
- How severe is CVE-2017-1000256?
- High severity. CVSS v3 base score is 8.1 out of 10.