CVE-2016-5126

MEDIUM

Description

Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=a6b3167fa0e825aebb5a7cd8b437b6d41584a196

http://rhn.redhat.com/errata/RHSA-2016-1606.html

http://rhn.redhat.com/errata/RHSA-2016-1607.html

http://rhn.redhat.com/errata/RHSA-2016-1653.html

http://rhn.redhat.com/errata/RHSA-2016-1654.html

http://rhn.redhat.com/errata/RHSA-2016-1655.html

http://rhn.redhat.com/errata/RHSA-2016-1756.html

http://rhn.redhat.com/errata/RHSA-2016-1763.html

http://www.openwall.com/lists/oss-security/2016/05/30/6

http://www.openwall.com/lists/oss-security/2016/05/30/7

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

http://www.securityfocus.com/bid/90948

http://www.ubuntu.com/usn/USN-3047-1

http://www.ubuntu.com/usn/USN-3047-2

https://bugzilla.redhat.com/show_bug.cgi?id=1340924

https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html

https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html

https://security.gentoo.org/glsa/201609-01

Details

Source: MITRE

Published: 2016-06-01

Updated: 2017-07-01

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 4.6

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

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH