Vulnerability CVE-2017-18030
Published: 2018-01-23

Description:
The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.

Type:

CWE-125

 (Out-of-bounds Read)

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.openwall.com/lists/oss-security/2018/01/15/3
http://www.securityfocus.com/bid/102520
https://git.qemu.org/?p=qemu.git;a=commit;h=f153b563f8cf121aebf5a2fff5f0110faf58ccb3
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
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