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CVE-2019-17563

Published: 23 December 2019

When using FORM authentication with Apache Tomcat 9.0.0.M1 to 9.0.29, 8.5.0 to 8.5.49 and 7.0.0 to 7.0.98 there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but, erring on the side of caution, this issue has been treated as a security vulnerability.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
tomcat7
Launchpad, Ubuntu, Debian
eoan Does not exist

impish Does not exist

hirsute Does not exist

xenial Needs triage

bionic Needs triage

disco Does not exist

focal Does not exist

groovy Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Needs triage

upstream Needs triage

mantic Does not exist

Patches:
upstream: https://github.com/apache/tomcat/commit/ab72a106fe5d992abddda954e30849d7cf8cc583 (7.0.99)


tomcat8
Launchpad, Ubuntu, Debian
impish Does not exist

hirsute Does not exist

bionic Needs triage

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (8.0.32-1ubuntu1.11)
mantic Does not exist

Patches:

upstream: https://github.com/apache/tomcat/commit/e19a202ee43b6e2a538be5515ae0ab32d8ef112c (8.5.50)

tomcat9
Launchpad, Ubuntu, Debian
impish Not vulnerable
(9.0.31-1)
bionic Needs triage

disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(9.0.31-1)
groovy Not vulnerable
(9.0.31-1)
hirsute Not vulnerable
(9.0.31-1)
jammy Not vulnerable
(9.0.31-1)
kinetic Not vulnerable
(9.0.31-1)
lunar Not vulnerable
(9.0.31-1)
trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Not vulnerable
(9.0.31-1)
Patches:


upstream: https://github.com/apache/tomcat/commit/1ecba14e690cf5f3f143eef6ae7037a6d3c16652 (9.0.30)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H