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CVE-2017-5651

Published: 17 April 2017

In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the refactoring of the HTTP connectors introduced a regression in the send file processing. If the send file processing completed quickly, it was possible for the Processor to be added to the processor cache twice. This could result in the same Processor being used for multiple requests which in turn could lead to unexpected errors and/or response mix-up.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
tomcat8
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (8.5.11-2)
xenial Not vulnerable

yakkety Not vulnerable

zesty Not vulnerable

tomcat9
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

yakkety Does not exist

zesty Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H