Vulnerability CVE-2017-7718
Published: 2017-04-20

Description:
hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions.

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://git.qemu-project.org/?p=qemu.git;a=commit;h=215902d7b6fb50c6fc216fc74f770858278ed904
http://www.openwall.com/lists/oss-security/2017/04/19/4
http://www.securityfocus.com/bid/97957
https://access.redhat.com/errata/RHSA-2017:0980
https://access.redhat.com/errata/RHSA-2017:0981
https://access.redhat.com/errata/RHSA-2017:0982
https://access.redhat.com/errata/RHSA-2017:0983
https://access.redhat.com/errata/RHSA-2017:0984
https://access.redhat.com/errata/RHSA-2017:0988
https://access.redhat.com/errata/RHSA-2017:1205
https://access.redhat.com/errata/RHSA-2017:1206
https://access.redhat.com/errata/RHSA-2017:1430
https://access.redhat.com/errata/RHSA-2017:1431
https://access.redhat.com/errata/RHSA-2017:1441
https://bugzilla.redhat.com/show_bug.cgi?id=1443441
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://security.gentoo.org/glsa/201706-03
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