Bug 1836364

Summary:	CVE-2020-12783 exim: out-of-bounds read in the SPA authenticator can lead to SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c [epel-all]
Product:	[Fedora] Fedora EPEL	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	exim	Assignee:	Jaroslav Škarvada <jskarvad>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	epel7	CC:	bennie.joubert, dwmw2, jskarvad, tremble
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	exim-4.93-3.el8 exim-4.93-3.el7 exim-4.92.3-2.el6	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-05-31 00:39:20 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:	1836362

Description Guilherme de Almeida Suckevicz 2020-05-15 17:22:13 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-all.

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.

NOTE: this issue affects multiple supported versions of Fedora EPEL. While
only one tracking bug has been filed, please correct all affected versions
at the same time.  If you need to fix the versions independent of each
other, you may clone this bug as appropriate.

Comment 1 Guilherme de Almeida Suckevicz 2020-05-15 17:22:15 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=1836362,1836364

# 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 Fedora Update System 2020-05-15 19:53:24 UTC

FEDORA-EPEL-2020-2056b1c4a9 has been submitted as an update to Fedora EPEL 8. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-2056b1c4a9

Comment 3 Fedora Update System 2020-05-15 19:54:12 UTC

FEDORA-EPEL-2020-567eda5296 has been submitted as an update to Fedora EPEL 7. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-567eda5296

Comment 4 Fedora Update System 2020-05-15 19:54:46 UTC

FEDORA-EPEL-2020-db3d7a1399 has been submitted as an update to Fedora EPEL 6. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-db3d7a1399

Comment 5 Fedora Update System 2020-05-16 05:24:29 UTC

FEDORA-EPEL-2020-2056b1c4a9 has been pushed to the Fedora EPEL 8 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-2056b1c4a9

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2020-05-16 05:25:47 UTC

FEDORA-EPEL-2020-567eda5296 has been pushed to the Fedora EPEL 7 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-567eda5296

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 7 Fedora Update System 2020-05-16 05:54:47 UTC

FEDORA-EPEL-2020-db3d7a1399 has been pushed to the Fedora EPEL 6 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-db3d7a1399

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 8 Fedora Update System 2020-05-31 00:39:20 UTC

FEDORA-EPEL-2020-2056b1c4a9 has been pushed to the Fedora EPEL 8 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2020-05-31 00:44:23 UTC

FEDORA-EPEL-2020-567eda5296 has been pushed to the Fedora EPEL 7 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2020-05-31 01:31:40 UTC

FEDORA-EPEL-2020-db3d7a1399 has been pushed to the Fedora EPEL 6 stable repository.
If problem still persists, please make note of it in this bug report.