Bug: RealPlayer SWF Frame Handling Buffer Overflow ( Ascii Version )

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RealPlayer SWF Frame Handling Buffer Overflow

Published
Credit
Risk
2008.07.30
Secunia Research
High
CWE
CVE
Local
Remote
CWE-119
CVE-2007-5400
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

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

Secunia Research 25/07/2008

- RealNetworks RealPlayer SWF Frame Handling Buffer Overflow -

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

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

======================================================================
1) Affected Software

RealNetworks RealPlayer Version 10.5 Build 6.0.12.1483

NOTE: Other versions may also be affected.

======================================================================
2) Severity

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

======================================================================
3) Vendor's Description of Software

"Download Web video instantly".

Product Link:
http://www.real.com/player

======================================================================
4) Description of Vulnerability

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

The vulnerability is caused due to a design error within the handling
of frames in Shockwave Flash (SWF) files and can be exploited to cause
a heap-based buffer overflow.

Successful exploitation may allow execution of arbitrary code.

======================================================================
5) Solution

The vulnerability is fixed in an upcoming release.

======================================================================
6) Time Table

16/11/2007 - Vendor notified.
22/11/2007 - Vendor notified again.
26/11/2007 - Vendor response and request PoC.
29/11/2007 - Sent PoC to vendor.
03/01/2008 - Confirmation that vendor able to reproduce vulnerability.
27/05/2008 - Requested update from vendor.
07/07/2008 - Vendor confirms update is pending.
23/07/2008 - Vendor confirms disclosure date.
25/07/2008 - Public disclosure.

======================================================================
7) Credits

Discovered by Dyon Balding, Secunia Research.

======================================================================
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2007-5400 for the vulnerability.

======================================================================
9) About Secunia

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

http://corporate.secunia.com/

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/

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://corporate.secunia.com/secunia_research/33/

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

http://secunia.com/secunia_vacancies/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/secunia_security_advisories/

======================================================================
10) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2007-93/

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

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

References:

http://www.securityfocus.com/archive/1/archive/1/494749/100/0/threaded
http://service.real.com/realplayer/security/07252008_player/en/
http://secunia.com/secunia_research/2007-93/advisory/
http://secunia.com/advisories/27620

See this note in TXT Version

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Ascii Version