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Category:   Application (Multimedia)  >   Adobe Flash Player Vendors:   Adobe Systems Incorporated
(Red Hat Issues Fix) Adobe Flash Player Multiple Bugs Let Remote Users Obtain Potentially Sensitive Information and Execute Arbitrary Code
SecurityTracker Alert ID:  1037580
SecurityTracker URL:  http://securitytracker.com/id/1037580
CVE Reference:   CVE-2017-2925, CVE-2017-2926, CVE-2017-2927, CVE-2017-2928, CVE-2017-2930, CVE-2017-2931, CVE-2017-2932, CVE-2017-2933, CVE-2017-2934, CVE-2017-2935, CVE-2017-2936, CVE-2017-2937, CVE-2017-2938   (Links to External Site)
Date:  Jan 11 2017
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 24.0.0.186 and prior
Description:   Multiple vulnerabilities were reported in Adobe Flash Player. 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 bypass security to view potentially sensitive information on the target system [CVE-2017-2938].

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

A use-after-free memory error may occur [CVE-2017-2932, CVE-2017-2936, CVE-2017-2937].

A heap buffer overflow may occur [CVE-2017-2927, CVE-2017-2933, CVE-2017-2934, CVE-2017-2935].

A memory corruption error may occur [CVE-2017-2925, CVE-2017-2926, CVE-2017-2928, CVE-2017-2930, CVE-2017-2931].

Francis Provencher of COSIG, Jann Horn of Google Project Zero, Kai Lu of Fortinet's FortiGuard Labs (via the Chromium Vulnerability Rewards Program), Khalil Zhani (via the Chromium Vulnerability Rewards Program), Mateusz Jurczyk and Natalie Silvanovich of Google Project Zero, Nicolas Joly of Microsoft Vulnerability Research, and willJ of Tencent PC Manager 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.

Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2017-0057.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2017-0057.html (Links to External Site)
Cause:   Access control error, Boundary error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  6

Message History:   This archive entry is a follow-up to the message listed below.
Jan 10 2017 Adobe Flash Player Multiple Bugs Let Remote Users Obtain Potentially Sensitive Information and Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2017:0057-01] Critical: flash-plugin security update

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

Synopsis:          Critical: flash-plugin security update
Advisory ID:       RHSA-2017:0057-01
Product:           Red Hat Enterprise Linux Supplementary
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2017-0057.html
Issue date:        2017-01-11
CVE Names:         CVE-2017-2925 CVE-2017-2926 CVE-2017-2927 
                   CVE-2017-2928 CVE-2017-2930 CVE-2017-2931 
                   CVE-2017-2932 CVE-2017-2933 CVE-2017-2934 
                   CVE-2017-2935 CVE-2017-2936 CVE-2017-2937 
                   CVE-2017-2938 
=====================================================================

1. Summary:

An update for flash-plugin is now available for Red Hat Enterprise Linux 6
Supplementary.

Red Hat Product Security has rated this update as having a security impact
of Critical. 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 Desktop Supplementary (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Supplementary (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Supplementary (v. 6) - i386, x86_64

3. Description:

The flash-plugin package contains a Mozilla Firefox compatible Adobe Flash
Player web browser plug-in.

This update upgrades Flash Player to version 24.0.0.194.

Security Fix(es):

* This update fixes multiple vulnerabilities in Adobe Flash Player. These
vulnerabilities, detailed in the Adobe Security Bulletin listed in the
References section, could allow an attacker to create a specially crafted
SWF file that would cause flash-plugin to crash, execute arbitrary code, or
disclose sensitive information when the victim loaded a page containing the
malicious SWF content. (CVE-2017-2925, CVE-2017-2926, CVE-2017-2927,
CVE-2017-2928, CVE-2017-2930, CVE-2017-2931, CVE-2017-2932, CVE-2017-2933,
CVE-2017-2934, CVE-2017-2935, CVE-2017-2936, CVE-2017-2937, CVE-2017-2938)

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

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

1411929 - CVE-2017-2925 CVE-2017-2926 CVE-2017-2927 CVE-2017-2928 CVE-2017-2930 CVE-2017-2931 CVE-2017-2932 CVE-2017-2933 CVE-2017-2934 CVE-2017-2935 CVE-2017-2936 CVE-2017-2937 CVE-2017-2938 flash-plugin: multiple code execution issues fixed in APSB17-02

6. Package List:

Red Hat Enterprise Linux Desktop Supplementary (v. 6):

i386:
flash-plugin-24.0.0.194-1.el6_8.i686.rpm

x86_64:
flash-plugin-24.0.0.194-1.el6_8.i686.rpm

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

i386:
flash-plugin-24.0.0.194-1.el6_8.i686.rpm

x86_64:
flash-plugin-24.0.0.194-1.el6_8.i686.rpm

Red Hat Enterprise Linux Workstation Supplementary (v. 6):

i386:
flash-plugin-24.0.0.194-1.el6_8.i686.rpm

x86_64:
flash-plugin-24.0.0.194-1.el6_8.i686.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-2017-2925
https://access.redhat.com/security/cve/CVE-2017-2926
https://access.redhat.com/security/cve/CVE-2017-2927
https://access.redhat.com/security/cve/CVE-2017-2928
https://access.redhat.com/security/cve/CVE-2017-2930
https://access.redhat.com/security/cve/CVE-2017-2931
https://access.redhat.com/security/cve/CVE-2017-2932
https://access.redhat.com/security/cve/CVE-2017-2933
https://access.redhat.com/security/cve/CVE-2017-2934
https://access.redhat.com/security/cve/CVE-2017-2935
https://access.redhat.com/security/cve/CVE-2017-2936
https://access.redhat.com/security/cve/CVE-2017-2937
https://access.redhat.com/security/cve/CVE-2017-2938
https://access.redhat.com/security/updates/classification/#critical
https://helpx.adobe.com/security/products/flash-player/apsb17-02.html

8. Contact:

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

Copyright 2017 Red Hat, Inc.
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