Vulnerability CVE-2017-12809
Published: 2017-08-23

Description:
QEMU (aka Quick Emulator), when built with the IDE disk and CD/DVD-ROM Emulator support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by flushing an empty CDROM device drive.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
QEMU -> QEMU 

 References:
http://www.debian.org/security/2017/dsa-3991
http://www.openwall.com/lists/oss-security/2017/08/21/2
http://www.securityfocus.com/bid/100451
https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01850.html
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