CVE-2016-8578

The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) by sending an empty string parameter to a 9P operation.

CVSS v3.0 6.0 MEDIUM
CVSS v2.0 2.1 LOW

6.0^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.5 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/93474	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2016/10/10/8	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07143.html	Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/10/14	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201611-11	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2016-11-04 14:59

Updated : 2020-10-21 13:41

NVD link : CVE-2016-8578

Mitre link : CVE-2016-8578

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

debian

debian_linux

opensuse

leap

qemu

qemu

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