Improper input validation in Qemu
CVE-2017-16845
hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.029 (87.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Qemu
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- usn.ubuntu.com/3649-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/09/msg00007.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2018/dsa-4213 (vendor-advisory, Third Party Advisory)
- lists.gnu.org/archive/html/qemu-devel/2017-11/msg02982.html (mailing-list, Patch, Mailing List, Third Party Advisory)
- usn.ubuntu.com/3575-1/ (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/101923 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-16845?
- CVE-2017-16845 is a critical-severity vulnerability in Qemu, classified under Improper Input Validation. CVSS score: 10.0/10. Published 2017-11-17.
- How severe is CVE-2017-16845?
- Critical severity. CVSS v3 base score is 10.0 out of 10.