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CVE-2016-7170

Date: December 9, 2016

The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to cursor.mask[] and cursor.image[] array sizes when processing a DEFINE_CURSOR svga command.

Language: C

Severity Score

Related Resources (12)

http://www.securityfocus.com/bid/92904
http://www.openwall.com/lists/oss-security/2016/09/09/7
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
http://www.openwall.com/lists/oss-security/2016/09/09/4
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-7170
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01764.html
https://access.redhat.com/security/cve/CVE-2016-7170
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=167d97a3def77ee2dbf6e908b0ecbfe2103977db
https://nvd.nist.gov/vuln/detail/CVE-2016-7170
https://security-tracker.debian.org/tracker/CVE-2016-7170
https://www.mend.io/vulnerability-database/CVE-2016-7170

Severity Score

Weakness Type (CWE)

Improper Validation of Array Index

CWE-129

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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