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CVE-2018-8037

Published: 2 August 2018

If an async request was completed by the application at the same time as the container triggered the async timeout, a race condition existed that could result in a user seeing a response intended for a different user. An additional issue was present in the NIO and NIO2 connectors that did not correctly track the closure of the connection when an async request was completed by the application and timed out by the container at the same time. This could also result in a user seeing a response intended for another user. Versions Affected: Apache Tomcat 9.0.0.M9 to 9.0.9 and 8.5.5 to 8.5.31.

Notes

AuthorNote
debian
Vulnerable code only present in 8.5.5 to 8.5.31 in 8.x series

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
tomcat8
Launchpad, Ubuntu, Debian
bionic
Released (8.5.39-1ubuntu1~18.04.1)
cosmic Not vulnerable
(8.5.32-1ubuntu2)
trusty Does not exist

upstream
Released (8.5.32-1)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://svn.apache.org/r1833907
upstream: https://svn.apache.org/r1833826
upstream: https://svn.apache.org/r1833832
upstream: https://svn.apache.org/r1837531
tomcat8.0
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream Not vulnerable

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N