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nessusTenable9906.PASL
HistoryJan 24, 2017 - 12:00 a.m.

Apache Tomcat 8.5.x < 8.5.8 / 9.0.0.x < 9.0.0.M13 Multiple Vulnerabilities

2017-01-2400:00:00
Tenable
www.tenable.com
17

According to its self-reported version number, the Apache Tomcat service running on the remote host is 8.5.x prior to 8.5.8 or 9.0.x prior to 9.0.0.M13. It is, therefore, affected by multiple vulnerabilities:

  • A flaw exists that is triggered when handling request lines containing certain invalid characters. An unauthenticated, remote attacker can exploit this, by injecting additional headers into responses, to conduct HTTP response splitting attacks. (CVE-2016-6816)

  • A denial of service vulnerability exists in the HTTP/2 parser due to an infinite loop caused by improper parsing of overly large headers. An unauthenticated, remote attacker can exploit this, via a specially crafted request, to cause a denial of service condition.
    Note that this vulnerability only affects 8.5.x versions. (CVE-2016-6817)

  • A remote code execution vulnerability exists in the JMX listener in JmxRemoteLifecycleListener.java due to improper deserialization of Java objects. An unauthenticated, remote attacker can exploit this to execute arbitrary code. (CVE-2016-8735)

  • A denial of service vulnerability exists in the HTTP/2 parser due to an infinite loop caused by improper parsing of overly large headers. An unauthenticated, remote attacker can exploit this, via a specially crafted request, to cause a denial of service condition. Note that this vulnerability only affects 8.5.x versions. (CVE-2016-6817)

Note that Nessus Network Monitor has not attempted to exploit these issues but has instead relied only on the application’s self-reported version number.

Binary data 9906.pasl
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apachetomcat