National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-9589 Detail

Current Description

Undertow in Red Hat wildfly before version 11.0.0.Beta1 is vulnerable to a resource exhaustion resulting in a denial of service. Undertow keeps a cache of seen HTTP headers in persistent connections. It was found that this cache can easily exploited to fill memory with garbage, up to "max-headers" (default 200) * "max-header-size" (default 1MB) per active TCP connection.

Source:  MITRE
Description Last Modified:  03/12/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
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://rhn.redhat.com/errata/RHSA-2017-0830.html Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0831.html Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0832.html Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0834.html Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0876.html Vendor Advisory
http://www.securityfocus.com/bid/97060 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:0872 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:0873 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3454 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3455 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3456 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3458 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1404782 Issue Tracking

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-2016-9589
NVD Published Date:
03/12/2018
NVD Last Modified:
04/11/2018