National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

    Vulnerabilities Detail

CVE-2016-5126 Detail

Current 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.

Source:  MITRE
Description Last Modified:  06/08/2016
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://git.qemu.org/?p=qemu.git;a=commit;h=a6b3167fa0e825aebb5a7cd8b437b6d41584a196 Issue Tracking Patch
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 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/30/7 Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory
http://www.securityfocus.com/bid/90948
http://www.ubuntu.com/usn/USN-3047-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-2 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1340924 Issue Tracking
https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html Mailing List Patch Vendor Advisory
https://security.gentoo.org/glsa/201609-01

Technical Details

Vulnerability Type (View All)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-5126
NVD Published Date:
06/01/2016
NVD Last Modified:
06/30/2017