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: 2020-10-15

Type: CWE-787

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:3.1/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

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to 2.6.2 (inclusive)

Configuration 2

OR

cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

Configuration 3

OR

cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*

Configuration 4

OR

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 5

OR

cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:openstack:8.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:openstack:9.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_eus:7.2:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

Configuration 6

AND

OR

cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*

OR

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

Tenable Plugins

View all (19 total)

IDNameProductFamilySeverity
129105Debian DLA-1927-1 : qemu security updateNessusDebian Local Security Checks
medium
117312RHEL 7 : qemu-kvm-rhev (RHSA-2016:1607)NessusRed Hat Local Security Checks
medium
94758SUSE SLES12 Security Update : qemu (SUSE-SU-2016:2781-1)NessusSuSE Local Security Checks
medium
94309openSUSE Security Update : qemu (openSUSE-2016-1234)NessusSuSE Local Security Checks
medium
94283SUSE SLES11 Security Update : kvm (SUSE-SU-2016:2628-1)NessusSuSE Local Security Checks
medium
94277SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:2589-1)NessusSuSE Local Security Checks
medium
94269SUSE SLES12 Security Update : xen (SUSE-SU-2016:2533-1) (Bunker Buster)NessusSuSE Local Security Checks
high
94000openSUSE Security Update : xen (openSUSE-2016-1170) (Bunker Buster)NessusSuSE Local Security Checks
high
93999openSUSE Security Update : xen (openSUSE-2016-1169) (Bunker Buster)NessusSuSE Local Security Checks
high
93697GLSA-201609-01 : QEMU: Multiple vulnerabilitiesNessusGentoo Local Security Checks
medium
93298SUSE SLES11 Security Update : xen (SUSE-SU-2016:2100-1) (Bunker Buster)NessusSuSE Local Security Checks
high
93296SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:2093-1) (Bunker Buster)NessusSuSE Local Security Checks
high
92998Scientific Linux Security Update : qemu-kvm on SL7.x x86_64 (20160811)NessusScientific Linux Local Security Checks
medium
92966Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : qemu, qemu-kvm regression (USN-3047-2)NessusUbuntu Local Security Checks
high
92951CentOS 7 : qemu-kvm (CESA-2016:1606)NessusCentOS Local Security Checks
medium
92939RHEL 7 : qemu-kvm (RHSA-2016:1606)NessusRed Hat Local Security Checks
medium
92935Oracle Linux 7 : qemu-kvm (ELSA-2016-1606)NessusOracle Linux Local Security Checks
medium
92751Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : qemu, qemu-kvm vulnerabilities (USN-3047-1)NessusUbuntu Local Security Checks
high
92277Fedora 24 : 2:qemu (2016-a80eab65ba)NessusFedora Local Security Checks
medium