Vulnerability Details : CVE-2016-5126
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.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Products affected by CVE-2016-5126
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- 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_eus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- 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_aus:7.2:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*
- 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_server_tus:7.2:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-5126
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-5126
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2016-5126
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-5126
-
http://rhn.redhat.com/errata/RHSA-2016-1607.html
RHSA-2016:1607 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-1653.html
RHSA-2016:1653 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-1763.html
RHSA-2016:1763 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html
[Qemu-block] [PATCH] block/iscsi: avoid potential overflow of acb->task-Mailing List;Patch;Third Party Advisory
-
http://www.ubuntu.com/usn/USN-3047-1
USN-3047-1: QEMU vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=a6b3167fa0e825aebb5a7cd8b437b6d41584a196
git.qemu.org Git
-
https://bugzilla.redhat.com/show_bug.cgi?id=1340924
1340924 – (CVE-2016-5126) CVE-2016-5126 Qemu: block: iscsi: buffer overflow in iscsi_aio_ioctlIssue Tracking;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/05/30/6
oss-security - CVE Request Qemu: block: iscsi: buffer overflow in iscsi_aio_ioctlMailing List;Third Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-1654.html
RHSA-2016:1654 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.ubuntu.com/usn/USN-3047-2
USN-3047-2: QEMU regression | Ubuntu security noticesThird Party Advisory
-
http://www.securityfocus.com/bid/90948
QEMU 'block/iscsi.c' Heap Based Buffer Overflow VulnerabilityThird Party Advisory;VDB Entry
-
http://rhn.redhat.com/errata/RHSA-2016-1655.html
RHSA-2016:1655 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-1606.html
RHSA-2016:1606 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-1756.html
RHSA-2016:1756 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://security.gentoo.org/glsa/201609-01
QEMU: Multiple vulnerabilities (GLSA 201609-01) — Gentoo securityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
[SECURITY] [DLA 1927-1] qemu security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/05/30/7
oss-security - Re: CVE Request Qemu: block: iscsi: buffer overflow in iscsi_aio_ioctlMailing List;Third Party Advisory
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Oracle Linux Bulletin - July 2016Third Party Advisory
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