CVE-2016-8578

LOW

Description

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.

References

http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html

http://www.openwall.com/lists/oss-security/2016/10/10/14

http://www.openwall.com/lists/oss-security/2016/10/10/8

http://www.securityfocus.com/bid/93474

https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07143.html

https://security.gentoo.org/glsa/201611-11

Details

Source: MITRE

Published: 2016-11-04

Updated: 2018-12-01

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 1.9

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

Impact Score: 2.9

Exploitability Score: 3.4

Severity: LOW

CVSS v3.0

Base Score: 6

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 1.5

Severity: MEDIUM