CVE-2018-16847

An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.openwall.com/lists/oss-security/2018/11/02/1	Mailing List Patch Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html	Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847	Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/105866	Third Party Advisory VDB Entry
https://usn.ubuntu.com/3826-1/	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:qemu:qemu::::::::
	cpe:2.3:a:qemu:qemu:3.1.0:rc0::::::
	cpe:2.3:a:qemu:qemu:3.1.0:rc1::::::

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Information

Published : 2018-11-02 15:29

Updated : 2020-05-14 08:01

NVD link : CVE-2018-16847

Mitre link : CVE-2018-16847

JSON object : View

CWE

CWE-125

Out-of-bounds Read

CWE-787

Out-of-bounds Write

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Products Affected

canonical

ubuntu_linux

qemu

qemu

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