CVE-2017-15119

Impact:
Moderate
Public Date:
2017-11-28
CWE:
CWE-400
Bugzilla:
1516925: CVE-2017-15119 qemu: DoS via large option request
The Network Block Device (NBD) server in Quick Emulator (QEMU), is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from serving other requests, resulting in DoS.

Find out more about CVE-2017-15119 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 5.8
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality None
Integrity Impact None
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat OpenStack Platform 12.0 (qemu-kvm-rhev) RHSA-2018:1113 2018-04-11
Red Hat OpenStack Platform 11.0 (Ocata) (qemu-kvm-rhev) RHSA-2018:1113 2018-04-11
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts (qemu-kvm-rhev) RHSA-2018:1104 2018-04-10
Red Hat OpenStack Platform 9.0 (qemu-kvm-rhev) RHSA-2018:1113 2018-04-11
Red Hat OpenStack Platform 8.0 (Liberty) (qemu-kvm-rhev) RHSA-2018:1113 2018-04-11
Red Hat OpenStack Platform 10 (qemu-kvm-rhev) RHSA-2018:1113 2018-04-11

Affected Packages State

Platform Package State
Red Hat OpenShift Enterprise 3 qemu-kvm Not affected
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-kvm-rhev Will not fix
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-kvm-rhev Will not fix
Red Hat Enterprise Linux 7 qemu-kvm Not affected
Red Hat Enterprise Linux 7 qemu-kvm-ma Will not fix
Red Hat Enterprise Linux 6 qemu-kvm Not affected
Red Hat Enterprise Linux 6 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux 5 kvm Not affected
Red Hat Enterprise Linux 5 xen Not affected

Acknowledgements

This issue was discovered by Eric Blake (Red Hat).
Last Modified