CVE-2016-2198 : QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerabl

QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.

Published 2016-12-29 22:59:00

Updated 2020-11-10 17:54:21

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2016-2198

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Qemu » Qemu
Versions up to, including, (<=) 2.5.1.1
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Matching versions
Qemu » Qemu » Version: 2.6.0 Update RC0
cpe:2.3:a:qemu:qemu:2.6.0:rc0:*:*:*:*:*:*
Matching versions
Qemu » Qemu » Version: 2.6.0 Update RC1
cpe:2.3:a:qemu:qemu:2.6.0:rc1:*:*:*:*:*:*
Matching versions
Qemu » Qemu » Version: 2.6.0 Update RC2
cpe:2.3:a:qemu:qemu:2.6.0:rc2:*:*:*:*:*:*
Matching versions
Qemu » Qemu » Version: 2.6.0 Update RC3
cpe:2.3:a:qemu:qemu:2.6.0:rc3:*:*:*:*:*:*
Matching versions
Qemu » Qemu » Version: 2.6.0 Update RC4
cpe:2.3:a:qemu:qemu:2.6.0:rc4:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2016-2198

Top countries where our scanners detected CVE-2016-2198

Top open port discovered on systems with this issue 22

IPs affected by CVE-2016-2198 2

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2016-2198!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2016-2198

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 25 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-2198

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:N/I:N/A:P	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2016-2198

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-2198

http://www.openwall.com/lists/oss-security/2016/01/30/2

oss-security - Re: CVE request Qemu: usb: ehci null pointer dereference in ehci_caps_write
Mailing List;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

[SECURITY] [DLA 1497-1] qemu security update
Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2016/01/29/6

oss-security - CVE request Qemu: usb: ehci null pointer dereference in ehci_caps_write
Mailing List;Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05899.html

[Qemu-devel] [PATCH] usb: ehci: add capability mmio write function
Patch;Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1301643

1301643 – (CVE-2016-2198) CVE-2016-2198 Qemu: usb: ehci null pointer dereference in ehci_caps_write
Issue Tracking;Third Party Advisory
https://security.gentoo.org/glsa/201604-01

QEMU: Multiple vulnerabilities (GLSA 201604-01) — Gentoo security
Third Party Advisory

CVEs referencing this url