CVE-2016-3712

qemu-kvm: Out-of-bounds read when creating weird vga screen surface

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode.

Desbordamiento de entero en el módulo VGA en QEMU permite a usuarios de SO invitado locales provocar una denegación de servicio (lectura fuera de límites y caída de proceso QEMU) editando registros VGA en modo VBE.

An integer overflow flaw and an out-of-bounds read flaw were found in the way QEMU's VGA emulator set certain VGA registers while in VBE mode. A privileged guest user could use this flaw to crash the QEMU process instance.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Attack Vector

Adjacent

Attack Complexity

Medium

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-03-30 CVE Reserved
2016-05-10 CVE Published
2024-08-06 CVE Updated
2024-10-24 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read
CWE-190: Integer Overflow or Wraparound

CAPEC

References (13)

URL	Tag	Source
http://support.citrix.com/article/CTX212736	Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/09/4	Mailing List
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html	Third Party Advisory
http://www.securityfocus.com/bid/90314	Third Party Advisory
http://www.securitytracker.com/id/1035794	Third Party Advisory
http://xenbits.xen.org/xsa/advisory-179.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg01196.html	2023-02-12

URL	Date	SRC
http://rhn.redhat.com/errata/RHSA-2016-2585.html	2023-02-12
http://rhn.redhat.com/errata/RHSA-2017-0621.html	2023-02-12
http://www.debian.org/security/2016/dsa-3573	2023-02-12
http://www.ubuntu.com/usn/USN-2974-1	2023-02-12
https://access.redhat.com/security/cve/CVE-2016-3712	2017-03-21
https://bugzilla.redhat.com/show_bug.cgi?id=1318712	2017-03-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Oracle Search vendor "Oracle"		Vm Server Search vendor "Oracle" for product "Vm Server"				3.3 Search vendor "Oracle" for product "Vm Server" and version "3.3"		x86		Affected
Oracle Search vendor "Oracle"		Vm Server Search vendor "Oracle" for product "Vm Server"				3.4 Search vendor "Oracle" for product "Vm Server" and version "3.4"		x86		Affected
Qemu Search vendor "Qemu"		Qemu Search vendor "Qemu" for product "Qemu"				<= 2.5.1 Search vendor "Qemu" for product "Qemu" and version " <= 2.5.1"		-		Affected
Qemu Search vendor "Qemu"		Qemu Search vendor "Qemu" for product "Qemu"				2.6.0 Search vendor "Qemu" for product "Qemu" and version "2.6.0"		rc0		Affected
Qemu Search vendor "Qemu"		Qemu Search vendor "Qemu" for product "Qemu"				2.6.0 Search vendor "Qemu" for product "Qemu" and version "2.6.0"		rc1		Affected
Qemu Search vendor "Qemu"		Qemu Search vendor "Qemu" for product "Qemu"				2.6.0 Search vendor "Qemu" for product "Qemu" and version "2.6.0"		rc2		Affected
Qemu Search vendor "Qemu"		Qemu Search vendor "Qemu" for product "Qemu"				2.6.0 Search vendor "Qemu" for product "Qemu" and version "2.6.0"		rc3		Affected
Qemu Search vendor "Qemu"		Qemu Search vendor "Qemu" for product "Qemu"				2.6.0 Search vendor "Qemu" for product "Qemu" and version "2.6.0"		rc4		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				15.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "15.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				6.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				6.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.3 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.7 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.7"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.3 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.5 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.7 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.7"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.3 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.7 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.7"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				6.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected
Citrix Search vendor "Citrix"		Xenserver Search vendor "Citrix" for product "Xenserver"				<= 7.0 Search vendor "Citrix" for product "Xenserver" and version " <= 7.0"		-		Affected