Bug 1789103

Summary:	CVE-2019-16782 rubygem-rack: hijack sessions by using timing attacks targeting the session id [epel-7]
Product:	[Fedora] Fedora EPEL	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	rubygem-rack	Assignee:	Steve Traylen <steve.traylen>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	epel7	CC:	gp, jaruga, mo, ruby-packagers-sig, steve.traylen, strzibny, vondruch
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	rubygem-rack-1.6.12-1.el7	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-01-26 00:52:41 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1789100

Description Guilherme de Almeida Suckevicz 2020-01-08 18:15:20 UTC

This is an automatically created tracking bug!  It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.

For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.

For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs

When submitting as an update, use the fedpkg template provided in the next
comment(s).  This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.

Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.

Comment 1 Guilherme de Almeida Suckevicz 2020-01-08 18:15:22 UTC

Use the following template to for the 'fedpkg update' request to submit an
update for this issue as it contains the top-level parent bug(s) as well as
this tracking bug.  This will ensure that all associated bugs get updated
when new packages are pushed to stable.

=====

# bugfix, security, enhancement, newpackage (required)
type=security

# low, medium, high, urgent (required)
severity=medium

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=1789100,1789103

# Description of your update
notes=Security fix for [PUT CVEs HERE]

# Enable request automation based on the stable/unstable karma thresholds
autokarma=True
stable_karma=3
unstable_karma=-3

# Automatically close bugs when this marked as stable
close_bugs=True

# Suggest that users restart after update
suggest_reboot=False

======

Additionally, you may opt to use the bodhi web interface to submit updates:

https://bodhi.fedoraproject.org/updates/new

Comment 2 Gerd Pokorra 2020-01-10 15:48:57 UTC

The two tests spec_session_memcache.rb and spec_session_pool.rb fails when updating rubygem-rack to 1.6.12.


Finished in 10.24408814 seconds.
NameError: uninitialized constant Rack::Session::SessionId
	test/spec_session_memcache.rb:228:in `block (2 levels) in <top (required)>': Rack::Session::Memcache - updates deep hashes correctly
	test/spec_session_memcache.rb:213:in `block in <top (required)>'
	test/spec_session_memcache.rb:7:in `<top (required)>'

NameError: uninitialized constant Rack::Session::SessionId
	test/spec_session_pool.rb:151:in `block (2 levels) in <top (required)>': Rack::Session::Pool - can read the session with the legacy id
	test/spec_session_pool.rb:145:in `block in <top (required)>'
	test/spec_session_pool.rb:6:in `<top (required)>'


https://koji.fedoraproject.org/koji/taskinfo?taskID=40320699


I am not sure if I should do the build anyway and remove the failing tests.

Comment 3 Fedora Update System 2020-01-11 01:56:02 UTC

rubygem-rack-1.6.12-1.el7 has been pushed to the Fedora EPEL 7 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-a062204588

Comment 4 Fedora Update System 2020-01-26 00:52:41 UTC

rubygem-rack-1.6.12-1.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.