CVE-2016-9589
First published: Wed Dec 14 2016(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.wildfly:wildfly-undertow | <11.0.0.Beta1 | 11.0.0.Beta1 |
| Red Hat JBoss WildFly Application Server | <=10.1.0 | |
| Red Hat JBoss WildFly Application Server | =11.0.0-alpha1 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2016-9589
- https://access.redhat.com/errata/RHSA-2017:0872
- https://access.redhat.com/errata/RHSA-2017:0873
- https://access.redhat.com/errata/RHSA-2017:3454
- https://access.redhat.com/errata/RHSA-2017:3455
- https://access.redhat.com/errata/RHSA-2017:3456
- https://access.redhat.com/errata/RHSA-2017:3458
- https://bugzilla.redhat.com/show_bug.cgi?id=1404782
- http://rhn.redhat.com/errata/RHSA-2017-0830.html
- http://rhn.redhat.com/errata/RHSA-2017-0831.html
- http://rhn.redhat.com/errata/RHSA-2017-0832.html
- http://rhn.redhat.com/errata/RHSA-2017-0834.html
- http://rhn.redhat.com/errata/RHSA-2017-0876.html
- https://web.archive.org/web/20200227180917/https://www.securityfocus.com/bid/97060/
- https://github.com/advisories/GHSA-p4xg-cpr9-vwvj (Advisory)
- http://www.securityfocus.com/bid/97060
- https://issues.jboss.org/browse/WFLY-7725
- https://rhn.redhat.com/errata/RHSA-2017-0830.html
- https://rhn.redhat.com/errata/RHSA-2017-0832.html
- https://rhn.redhat.com/errata/RHSA-2017-0831.html
- https://rhn.redhat.com/errata/RHSA-2017-0834.html
- https://access.redhat.com/errata/RHSA-2017:0876
Frequently Asked Questions
What is the severity of CVE-2016-9589?
CVE-2016-9589 has a severity rating that makes it critical due to its potential to cause denial of service.
How do I fix CVE-2016-9589?
To fix CVE-2016-9589, upgrade Undertow to version 11.0.0.Beta1 or later.
What type of vulnerability is CVE-2016-9589?
CVE-2016-9589 is a resource exhaustion vulnerability that can lead to a denial of service.
Which versions are affected by CVE-2016-9589?
CVE-2016-9589 affects JBoss WildFly versions before 11.0.0.Beta1, including 10.1.0 and earlier.
What component is impacted by CVE-2016-9589?
CVE-2016-9589 impacts the Undertow component of JBoss WildFly, specifically its HTTP header cache.
- collector/github-advisory-latest
- alias/GHSA-p4xg-cpr9-vwvj
- alias/CVE-2016-9589
- collector/github-advisory
- agent/author
- agent/type
- agent/first-publish-date
- collector/redhat-bugzilla
- source/Red Hat
- agent/references
- agent/weakness
- agent/severity
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/description
- agent/trending
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-cve
- agent/software-canonical-lookup-request
- collector/nvd-index
- package-manager/maven
- vendor/redhat
- canonical/red hat jboss wildfly application server
- version/red hat jboss wildfly application server/10.1.0
- version/red hat jboss wildfly application server/11.0.0-alpha1