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Google Picasa CAMF Section Integer Overflow

Google Picasa CAMF Section Integer Overflow
Posted Nov 12, 2015
Authored by Secunia, Hossein Lotfi | Site secunia.com

Secunia Research has discovered a vulnerability in Google Picasa, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to an integer overflow error when processing CAMF section in FOVb images and can be exploited to cause a heap-based buffer overflow. Successful exploitation may allow execution of arbitrary code. The vulnerability is confirmed in versions 3.9.140 Build 239 and 3.9.140 Build 248 running on Windows.

tags | advisory, overflow, arbitrary
systems | windows
MD5 | d13717485ccd4b70775e615f0fea2717

Google Picasa CAMF Section Integer Overflow

Change Mirror Download
======================================================================

Secunia Research (now part of Flexera Software) 11/11/2015

Google Picasa CAMF Section Integer Overflow Vulnerability

======================================================================
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerability.........................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

======================================================================

1) Affected Software

* Google Picasa version 3.9.140 Build 239
* Google Picasa version 3.9.140 Build 248

NOTE: Prior versions may also be affected.

======================================================================

2) Severity

Rating: Highly critical
Impact: System Access
Where: From remote

======================================================================

3) Description of Vulnerability

Secunia Research has discovered a vulnerability in Google Picasa,
which can be exploited by malicious people to compromise a user's
system.

The vulnerability is caused due to an integer overflow error when
processing CAMF section in FOVb images and can be exploited to cause
a heap-based buffer overflow.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is confirmed in versions 3.9.140 Build 239 and
3.9.140 Build 248 running on Windows.

======================================================================

4) Solution

Update to version 3.9.140 Build 259.

======================================================================

5) Time Table

04/08/2015 - Vendor notified of vulnerability.
04/08/2015 - Vendor acknowledges report.
10/08/2015 - Vendor requests PoC.
10/08/2015 - Provision of PoC.
19/08/2015 - Vendor acknowledges receipt.
08/09/2015 - Request of status update.
11/09/2015 - Vendor states fixed in code. ETA not yet available.
19/09/2015 - Vendor states update has been pushed.
25/09/2015 - Vendor notified of incomplete fix of other
vulnerability and request status update for this
vulnerability.
26/09/2015 - Vendor acknowledges receipt.
05/10/2015 - Request ETA of fix of other vulnerability. Vendor
notified that due to public availability of improper fix
of other vulnerability, an advisory release deadline on
09/10/2015 is established for the other vulnerability.
06/10/2015 - Vendor acknowledges and estimates 30/10/2015 release of
fix.
06/10/2015 - Vendor notified that advisory deadline will still
be applicable.
06/10/2015 - Vendor acknowledges and states to send notification once
properly fixed.
09/10/2015 - Public disclosure of advisory with SAID SA59000.
12/10/2015 - Public disclosure of research advisory 2015-3.
29/10/2015 - Vendor states fixed status and fix had been verified.
30/10/2015 - Request version number of fix as change log updates and
release notes updates are missing.
05/11/2015 - Vendor states fixed version.
11/11/2015 - Release of update of advisory with SAID SA59000 after
verification of patched version.
11/11/2015 - Public disclosure of research advisory 2015-5.

======================================================================

6) Credits

Discovered by Hossein Lotfi, Secunia Research (now part of
Flexera Software).

======================================================================

7) References

Currently no CVE identifier is assigned.

======================================================================

8) About Secunia (now part of Flexera Software)

In September 2015, Secunia has been acquired by Flexera Software:

https://secunia.com/blog/435/

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

======================================================================

9) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2015-05/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================

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