National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-2392 Detail

Description

The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 does not properly validate USB configuration descriptor objects, which allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving a remote NDIS control message packet.

Source:  MITRE
Description Last Modified:  06/16/2016

Evaluator Description

CWE-476: NULL Pointer Dereference

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H (V3 legend)
Impact Score: 4.0
Exploitability Score: 2.0

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.qemu.org/?p=qemu.git;a=commit;h=80eecda8e5d09c442c24307f340840a5b70ea3b9 Vendor Advisory
http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/02/16/7
http://www.securityfocus.com/bid/83274
http://www.ubuntu.com/usn/USN-2974-1
https://bugzilla.redhat.com/show_bug.cgi?id=1302299
https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg02553.html Vendor Advisory
https://security.gentoo.org/glsa/201604-01

Technical Details

Vulnerability Type (View All)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2392
NVD Published Date:
06/16/2016
NVD Last Modified:
06/30/2017