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CVE-2016-0714

Published: 24 February 2016

The session-persistence implementation in Apache Tomcat 6.x before 6.0.45, 7.x before 7.0.68, 8.x before 8.0.31, and 9.x before 9.0.0.M2 mishandles session attributes, which allows remote authenticated users to bypass intended SecurityManager restrictions and execute arbitrary code in a privileged context via a web application that places a crafted object in a session.

From the Ubuntu Security Team

It was discovered that the Tomcat session-persistence implementation incorrectly handled session attributes. A remote attacker could possibly use this issue to execute arbitrary code in a privileged context.

Notes

AuthorNote
mdeslaur
list of backports is incomplete. Fix is intrusive.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
tomcat6
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise
Released (6.0.35-1ubuntu3.7)
trusty
Released (6.0.39-1ubuntu0.1)
upstream
Released (6.0.45)
wily Ignored
(end of life)
xenial
Released (6.0.45+dfsg-1)
yakkety Does not exist

zesty Does not exist

Patches:
upstream: http://svn.apache.org/viewvc?view=revision&revision=1727166
upstream: http://svn.apache.org/viewvc?view=revision&revision=1727182











tomcat7
Launchpad, Ubuntu, Debian
artful Not vulnerable
(7.0.68-1)
bionic Not vulnerable
(7.0.68-1)
precise Ignored
(end of life)
trusty
Released (7.0.52-1ubuntu0.6)
upstream
Released (7.0.68-1)
wily
Released (7.0.64-1ubuntu0.3)
xenial Not vulnerable
(7.0.68-1)
yakkety Not vulnerable
(7.0.68-1)
zesty Not vulnerable
(7.0.68-1)
Patches:


upstream: http://svn.apache.org/viewvc?view=revision&revision=1726813 (bp)
upstream: http://svn.apache.org/viewvc?view=revision&revision=1726817 (bp)
upstream: http://svn.apache.org/viewvc?view=revision&revision=1726818 (bp)
upstream: http://svn.apache.org/viewvc?view=revision&revision=1726819 (bp)
upstream: http://svn.apache.org/viewvc?view=revision&revision=1726917 (bp)
upstream: http://svn.apache.org/viewvc?view=revision&revision=1726922 (bp)
upstream: http://svn.apache.org/viewvc?view=revision&revision=1726923
upstream: http://svn.apache.org/viewvc?view=revision&revision=1727031 (bp)
upstream: http://svn.apache.org/viewvc?view=revision&revision=1727034


tomcat8
Launchpad, Ubuntu, Debian
artful Not vulnerable
(8.0.32-1ubuntu1)
bionic Not vulnerable
(8.0.32-1ubuntu1)
precise Does not exist

trusty Does not exist

upstream
Released (8.0.32-1)
wily Ignored
(end of life)
xenial Not vulnerable
(8.0.32-1ubuntu1)
yakkety Not vulnerable
(8.0.32-1ubuntu1)
zesty Not vulnerable
(8.0.32-1ubuntu1)
Patches:











upstream: http://svn.apache.org/viewvc?view=revision&revision=1726196
upstream: http://svn.apache.org/viewvc?view=revision&revision=1726203

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H