National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-15119 Detail

Current Description

The Network Block Device (NBD) server in Quick Emulator (QEMU) before 2.11 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.

Source:  MITRE
Description Last Modified:  07/27/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.6 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H (V3 legend)
Impact Score: 4.0
Exploitability Score: 3.9

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

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2017/11/28/9 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/102011 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:1104 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1113 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15119 Issue Tracking Patch Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05044.html Mailing List Third Party Advisory
https://usn.ubuntu.com/3575-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4213 Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Uncontrolled Resource Consumption ('Resource Exhaustion') (CWE-400)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-15119
NVD Published Date:
07/27/2018
NVD Last Modified:
09/24/2018