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Category:   Application (E-mail Client)  >   Mozilla Thunderbird Vendors:   Mozilla.org
(Red Hat Issues Fix) Mozilla Thunderbird Multiple Flaws Let Remote Users Spoof Email Addresses, Obtain Potentially Sensitive Information, and Execute Arbitrary Code
SecurityTracker Alert ID:  1040124
SecurityTracker URL:  http://securitytracker.com/id/1040124
CVE Reference:   CVE-2017-7829, CVE-2017-7846, CVE-2017-7847, CVE-2017-7848   (Links to External Site)
Date:  Jan 8 2018
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of system information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Multiple vulnerabilities were reported in Mozilla Thunderbird. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can obtain potentially sensitive information on the target system. A remote user can spoof the sender's email address.

A remote user can create specially crafted content that, when loaded by the target user, will trigger a buffer overflow in Direct 3D 9 with the ANGLE graphics library and execute arbitrary code on the target user's system [CVE-2017-7845]. Windows-based systems are affected.

A remote user can create specially crafted RSS content that, when viewed by the target user as a web site, will trigger a flaw in 'mailbox://' content processing and execute arbitrary JavaScript code on the target user's system [CVE-2017-7846].

A remote user can create specially crafted CSS in an RSS feed that, when loaded by the target user, will view potentially sensitive information in local path strings on the target system, which may contain username data [CVE-2017-7847].

A remote user can create specially crafted RSS fields to inject new lines into the message body [CVE-2017-7848].

A remote user can spoof the sender's email address via an encoded null character in the message header [CVE-2017-7829].

Omair, Sabri Haddouche, and cure53 reported these vulnerabilities.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's system.

A remote user can obtain potentially sensitive information on the target system.

A remote user can spoof the sender's email address.

Solution:   Red Hat has issued a fix for CVE-2017-7829, CVE-2017-7846, CVE-2017-7847, and CVE-2017-7848.

The Red Hat advisory is available at:

https://access.redhat.com/errata/RHSA-2018:0061

Vendor URL:  access.redhat.com/errata/RHSA-2018:0061 (Links to External Site)
Cause:   Access control error, Boundary error, Input validation error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  6, 7

Message History:   This archive entry is a follow-up to the message listed below.
Jan 8 2018 Mozilla Thunderbird Multiple Flaws Let Remote Users Spoof Email Addresses, Obtain Potentially Sensitive Information, and Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2018:0061-01] Important: thunderbird security update

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2018:0061-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0061
Issue date:        2018-01-08
CVE Names:         CVE-2017-7829 CVE-2017-7846 CVE-2017-7847 
                   CVE-2017-7848 
=====================================================================

1. Summary:

An update for thunderbird is now available for Red Hat Enterprise Linux 6
and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 52.5.2.

Security Fix(es):

* Multiple flaws were found in the processing of malformed web content. A
web page containing malicious content could cause Thunderbird to crash or,
potentially, execute arbitrary code with the privileges of the user running
Thunderbird. (CVE-2017-7846, CVE-2017-7847, CVE-2017-7848, CVE-2017-7829)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges cure53 and Sabri Haddouche as the original reporters.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of Thunderbird must be restarted for the update to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1530187 - CVE-2017-7846 Mozilla: JavaScript Execution via RSS in mailbox:// origin
1530190 - CVE-2017-7847 Mozilla: Local path string can be leaked from RSS feed
1530192 - CVE-2017-7848 Mozilla: RSS Feed vulnerable to new line Injection
1530195 - CVE-2017-7829 Mozilla: From address with encoded null character is cut off in message header display

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
thunderbird-52.5.2-1.el6_9.src.rpm

i386:
thunderbird-52.5.2-1.el6_9.i686.rpm
thunderbird-debuginfo-52.5.2-1.el6_9.i686.rpm

x86_64:
thunderbird-52.5.2-1.el6_9.x86_64.rpm
thunderbird-debuginfo-52.5.2-1.el6_9.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
thunderbird-52.5.2-1.el6_9.src.rpm

i386:
thunderbird-52.5.2-1.el6_9.i686.rpm
thunderbird-debuginfo-52.5.2-1.el6_9.i686.rpm

ppc64:
thunderbird-52.5.2-1.el6_9.ppc64.rpm
thunderbird-debuginfo-52.5.2-1.el6_9.ppc64.rpm

s390x:
thunderbird-52.5.2-1.el6_9.s390x.rpm
thunderbird-debuginfo-52.5.2-1.el6_9.s390x.rpm

x86_64:
thunderbird-52.5.2-1.el6_9.x86_64.rpm
thunderbird-debuginfo-52.5.2-1.el6_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
thunderbird-52.5.2-1.el6_9.src.rpm

i386:
thunderbird-52.5.2-1.el6_9.i686.rpm
thunderbird-debuginfo-52.5.2-1.el6_9.i686.rpm

x86_64:
thunderbird-52.5.2-1.el6_9.x86_64.rpm
thunderbird-debuginfo-52.5.2-1.el6_9.x86_64.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
thunderbird-52.5.2-1.el7_4.src.rpm

x86_64:
thunderbird-52.5.2-1.el7_4.x86_64.rpm
thunderbird-debuginfo-52.5.2-1.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

Source:
thunderbird-52.5.2-1.el7_4.src.rpm

ppc64le:
thunderbird-52.5.2-1.el7_4.ppc64le.rpm
thunderbird-debuginfo-52.5.2-1.el7_4.ppc64le.rpm

x86_64:
thunderbird-52.5.2-1.el7_4.x86_64.rpm
thunderbird-debuginfo-52.5.2-1.el7_4.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

Source:
thunderbird-52.5.2-1.el7_4.src.rpm

aarch64:
thunderbird-52.5.2-1.el7_4.aarch64.rpm
thunderbird-debuginfo-52.5.2-1.el7_4.aarch64.rpm

ppc64le:
thunderbird-52.5.2-1.el7_4.ppc64le.rpm
thunderbird-debuginfo-52.5.2-1.el7_4.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
thunderbird-52.5.2-1.el7_4.src.rpm

x86_64:
thunderbird-52.5.2-1.el7_4.x86_64.rpm
thunderbird-debuginfo-52.5.2-1.el7_4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-7829
https://access.redhat.com/security/cve/CVE-2017-7846
https://access.redhat.com/security/cve/CVE-2017-7847
https://access.redhat.com/security/cve/CVE-2017-7848
https://access.redhat.com/security/updates/classification/#important
https://www.mozilla.org/en-US/security/advisories/mfsa2017-30/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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