Home/CVE/hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds acce
CVE

CVE-2017-16845

hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds acce

hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access.

CRITICAL · CVSS 10 EPSS 0.02074
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

3
qemu<= 2.11.2
debian linuxall versions
canonical ubuntu linuxall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

10
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Nov 2017 · 08:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H
⚑

Vendor Advisories

4
usnUSN-3649-1
suse-csafSUSE-SU-2018:0831-1
suse-csafSUSE-SU-2018:0762-1
usnUSN-3575-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/101923Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg02982.htmlMailing ListPatchThird Party Advisory
https://usn.ubuntu.com/3575-1/Third Party Advisory
https://usn.ubuntu.com/3649-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4213Third Party Advisory
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