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ubuntucveUbuntu.comUB:CVE-2016-7170
HistorySep 09, 2016 - 12:00 a.m.

CVE-2016-7170

2016-09-0900:00:00
ubuntu.com
ubuntu.com
12

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

25.6%

JSON

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.

Bugs

Notes

Author Note
tyhicks vmsvga_fifo_run() in 12.04’s qemu-kvm is slightly different but still looks to be affected
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchqemu< 2.0.0+dfsg-2ubuntu1.30UNKNOWN
ubuntu16.04noarchqemu< 1:2.5+dfsg-5ubuntu10.6UNKNOWN
ubuntu16.10noarchqemu< 1:2.6.1+dfsg-0ubuntu5.1UNKNOWN
ubuntu12.04noarchqemu-kvm< 1.0+noroms-0ubuntu14.31UNKNOWN

Related

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Design/Logic Flaw
2016-12-10 00:59:00
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Debian DLA-652-1 : qemu security update
2016-10-12 00:00:00
Debian DLA-653-1 : qemu-kvm security update
2016-10-12 00:00:00
Fedora 25 : 2:qemu (2016-3d3218ec41)
2016-11-15 00:00:00
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2016-10-11 00:00:00
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Debian: Security Advisory (DLA-653-1)
2023-03-08 00:00:00
Debian: Security Advisory (DLA-652-1)
2023-03-08 00:00:00
Fedora Update for qemu FEDORA-2016-3d3218ec41
2016-12-07 00:00:00
debian
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[SECURITY] [DLA 653-1] qemu-kvm security update
2016-10-11 09:28:18
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2016-10-11 09:26:51
[SECURITY] [DLA 1599-1] qemu security update
2018-11-30 14:28:32
fedora
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[SECURITY] Fedora 25 Update: qemu-2.7.0-4.fc25
2016-10-18 11:34:06
[SECURITY] Fedora 24 Update: qemu-2.6.2-2.fc24
2016-10-18 15:55:39
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Security update for kvm (important)
2016-11-24 18:10:22
Security update for qemu (important)
2016-11-29 14:07:08
Security update for qemu (important)
2016-12-02 21:06:55
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QEMU vulnerabilities
2016-11-09 00:00:00
ibm
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Security Bulletin: Vulnerabilities in Qemu affect PowerKVM
2018-06-18 01:35:35

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

25.6%

JSON
Related for UB:CVE-2016-7170
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