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CVE-2016-8747: Apache Tomcat allows remote attackers to read data that was intended to be associated with a different request

May 14, 2022 (updated October 15, 2024)

An information disclosure issue was discovered in Apache Tomcat 8.5.7 to 8.5.9 and 9.0.0.M11 to 9.0.0.M15 in reverse-proxy configurations. Http11InputBuffer.java allows remote attackers to read data that was intended to be associated with a different request.

References

  • github.com/advisories/GHSA-fjwp-r6fm-q6qw
  • github.com/apache/tomcat
  • github.com/apache/tomcat/commit/452c8094a665ef6375530e81c033da4eeb2e4865
  • github.com/apache/tomcat/commit/9601a937ff3b7ef5d04b2a0e950d0e44e1bb4cbd
  • lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551@%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3@%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a@%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc@%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d@%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0@%3Cdev.tomcat.apache.org%3E
  • nvd.nist.gov/vuln/detail/CVE-2016-8747
  • security.netapp.com/advisory/ntap-20180614-0002
  • web.archive.org/web/20200227183332/http://www.securityfocus.com/bid/96895

Code Behaviors & Features

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Affected versions

All versions starting from 9.0.0.M11 before 9.0.0.M16, all versions starting from 8.5.7 before 8.5.10

Fixed versions

  • 8.5.10
  • 9.0.0.M16

Solution

Upgrade to versions 8.5.10, 9.0.0.M16 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Source file

maven/org.apache.tomcat/tomcat/CVE-2016-8747.yml

Spotted a mistake? Edit the file on GitLab.

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