CVE-2017-16845

Current Description

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

Basic Data

PublishedNovember 17, 2017
Last ModifiedSeptember 10, 2020
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-20
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:N/C:P/I:N/A:P
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactPARTIAL
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score6.4
SeverityMEDIUM
Exploitability Score10.0
Impact Score4.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationQemuQemu********2.11.2
  • OR - Configuration 2
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSDebianDebian Linux9.0*******
    2.3OSDebianDebian Linux8.0*******
  • OR - Configuration 3
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSCanonicalUbuntu Linux18.04***lts***
    2.3OSCanonicalUbuntu Linux17.10*******
    2.3OSCanonicalUbuntu Linux16.04***lts***
    2.3OSCanonicalUbuntu Linux14.04***esm***

Vulnerable Software List

VendorProductVersions
Debian Debian Linux 8.0, 9.0
Canonical Ubuntu Linux 14.04, 16.04, 17.10, 18.04
Qemu Qemu *

References

NameSourceURLTags
USN-3649-1UBUNTUhttps://usn.ubuntu.com/3649-1/Mailing List Mailing List Third Party Advisory Third Party Advisory Third Party Advisory Third Party Advisory
USN-3575-1UBUNTUhttps://usn.ubuntu.com/3575-1/Third Party Advisory VDB Entry Patch
[qemu-devel] 20171116 [PATCH v2] ps2: check PS2Queue indices in post_load routineMLISThttps://lists.gnu.org/archive/html/qemu-devel/2017-11/msg02982.htmlThird Party Advisory
[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updateMLISThttps://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
101923BIDhttp://www.securityfocus.com/bid/101923
DSA-4213DEBIANhttps://www.debian.org/security/2018/dsa-4213