7.8
HIGH
CVE-2016-5126
QEMU ISCSI Heap Buffer Overflow
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.
INFO
Published Date :
June 1, 2016, 10:59 p.m.
Last Modified :
Feb. 12, 2023, 11:23 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2016-5126
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-5126.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-5126 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-5126 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description Quick Emulator(QEMU) built with the Block driver for iSCSI images support (virtio-blk) is vulnerable to a heap-based buffer overflow issue. The flaw could occur while processing iSCSI asynchronous I/O ioctl(2) calls. A user inside a guest could exploit this flaw to crash the QEMU process resulting in denial of service, or potentially leverage it to execute arbitrary code with QEMU-process privileges on the host. 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. Removed CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:N/C:N/I:P/A:P) Removed CVSS V3 Red Hat, Inc. AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L Removed Reference https://access.redhat.com/errata/RHSA-2016:1606 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:1607 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:1653 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:1654 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:1655 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:1756 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2016:1763 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2016-5126 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed 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. Quick Emulator(QEMU) built with the Block driver for iSCSI images support (virtio-blk) is vulnerable to a heap-based buffer overflow issue. The flaw could occur while processing iSCSI asynchronous I/O ioctl(2) calls. A user inside a guest could exploit this flaw to crash the QEMU process resulting in denial of service, or potentially leverage it to execute arbitrary code with QEMU-process privileges on the host. Added CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:N/C:N/I:P/A:P) Added CVSS V3 Red Hat, Inc. AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L Removed Reference http://git.qemu.org/?p=qemu.git;a=commit;h=a6b3167fa0e825aebb5a7cd8b437b6d41584a196 [Patch, Vendor Advisory] Added Reference https://access.redhat.com/errata/RHSA-2016:1607 [No Types Assigned] Added Reference http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=a6b3167fa0e825aebb5a7cd8b437b6d41584a196 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:1606 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2016-5126 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:1763 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:1654 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:1653 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:1756 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:1655 [No Types Assigned] -
CPE Deprecation Remap by [email protected]
Aug. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:redhat:openstack:9.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:redhat:openstack:8.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:* -
Modified Analysis by [email protected]
Oct. 15, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://git.qemu.org/?p=qemu.git;a=commit;h=a6b3167fa0e825aebb5a7cd8b437b6d41584a196 Issue Tracking, Patch http://git.qemu.org/?p=qemu.git;a=commit;h=a6b3167fa0e825aebb5a7cd8b437b6d41584a196 Patch, Vendor Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-1606.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-1606.html Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-1607.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-1607.html Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-1653.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-1653.html Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-1654.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-1654.html Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-1655.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-1655.html Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-1756.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-1756.html Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-1763.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-1763.html Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/90948 No Types Assigned http://www.securityfocus.com/bid/90948 Third Party Advisory, VDB Entry Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1340924 Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1340924 Issue Tracking, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html Mailing List, Third Party Advisory Changed Reference Type https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html Mailing List, Patch, Vendor Advisory https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html Mailing List, Patch, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/201609-01 No Types Assigned https://security.gentoo.org/glsa/201609-01 Third Party Advisory Removed CWE NIST CWE-119 Added CWE NIST CWE-787 Removed CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Removed CPE Configuration OR *cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (including) 2.6.2 Added CPE Configuration 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:*:*:* Added CPE Configuration OR *cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration 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:*:*:*:*:*:*:* Added CPE Configuration 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:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Dec. 27, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:oracle:linux:7.0:*:*:*:*:*:*:* OR *cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 20, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 01, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201609-01 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2016-1654.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-1653.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-1655.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-1763.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-1607.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-1606.html [No Types Assigned] Added Reference http://www.securityfocus.com/bid/90948 [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-1756.html [No Types Assigned] -
Modified Analysis by [email protected]
Sep. 28, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Configuration 1 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Configuration 2 OR *cpe:2.3:o:oracle:linux:7.0:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* Changed Reference Type http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html No Types Assigned http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory -
CVE Modified by [email protected]
Sep. 28, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html -
Modified Analysis by [email protected]
Sep. 09, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Changed Reference Type https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html No Types Assigned https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html Mailing List, Vendor Advisory, Patch Changed Reference Type http://www.openwall.com/lists/oss-security/2016/05/30/6 No Types Assigned http://www.openwall.com/lists/oss-security/2016/05/30/6 Third Party Advisory, Mailing List Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1340924 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1340924 Issue Tracking Changed Reference Type http://www.openwall.com/lists/oss-security/2016/05/30/7 No Types Assigned http://www.openwall.com/lists/oss-security/2016/05/30/7 Third Party Advisory, Mailing List Changed Reference Type http://git.qemu.org/?p=qemu.git;a=commit;h=a6b3167fa0e825aebb5a7cd8b437b6d41584a196 No Types Assigned http://git.qemu.org/?p=qemu.git;a=commit;h=a6b3167fa0e825aebb5a7cd8b437b6d41584a196 Issue Tracking, Patch Changed Reference Type http://www.ubuntu.com/usn/USN-3047-1 No Types Assigned http://www.ubuntu.com/usn/USN-3047-1 Third Party Advisory Changed Reference Type http://www.ubuntu.com/usn/USN-3047-2 No Types Assigned http://www.ubuntu.com/usn/USN-3047-2 Third Party Advisory -
CVE Modified by [email protected]
Sep. 09, 2016
Action Type Old Value New Value Added Reference http://www.ubuntu.com/usn/USN-3047-1 Added Reference http://www.ubuntu.com/usn/USN-3047-2 -
CVE Translated by [email protected]
Jun. 09, 2016
Action Type Old Value New Value Removed Translation Desbordamiento de buffer basado en memoria dinámica en la función iscsi_aio_ioctl en block/iscsi.c en QEMU permite a usuarios invitados del SO local provocar una denegación de servicio (caída del proceso QEMU) o posiblemente ejecutar código arbitrario a través de una llamada iSCSI ioctrl I/O asíncrona manipulada. Added Translation Desbordamiento de buffer basado en memoria dinámica en la función iscsi_aio_ioctl en block/iscsi.c en QEMU permite a usuarios locales del SO invitado provocar una denegación de servicio (caída del proceso QEMU) o posiblemente ejecutar código arbitrario a través de una llamada iSCSI ioctl I/O asíncrona manipulada. -
CVE Modified by [email protected]
Jun. 09, 2016
Action Type Old Value New Value Changed Description Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local OS guest users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call. 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. -
Modified Analysis by [email protected]
Jun. 02, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-119 -
Initial Analysis by [email protected]
Jun. 02, 2016
Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-5126 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-5126
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.07 }} 0.01%
score
0.29960
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability