CVE-2017-16845
CRITICAL severity · CVSS 10 · Improper input validation
10CVSS CRITICAL
Summary
hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg02982.html ↗
Additional information
- NVD record
- https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg02982.htmlPatch
- http://www.securityfocus.com/bid/101923Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlAdvisory
- https://usn.ubuntu.com/3575-1/Advisory
- https://usn.ubuntu.com/3649-1/Advisory
- https://www.debian.org/security/2018/dsa-4213Advisory