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Insecure Library Loading
Highly critical

RealPlayer/Helix Player SMIL wallclock Buffer Overflow Vulnerability

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Release Date:  2007-06-27    Last Update:  2007-06-28    Views:  16,495

Secunia Advisory SA25819

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in RealPlayer and Helix Player, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the wallclock functionality in "SmilTimeValue::parseWallClockValue()" when handling time formats. This can be exploited to cause a stack-based buffer overflow via an SMIL file with an overly long, specially-crafted time string.

Successful exploitation allows execution of arbitrary code when a user e.g. visits a malicious website.

The vulnerability is reported in RealPlayer 10.5-GOLD. Other versions may also be affected.


Solution:
Update to the latest version.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Discovered by an anonymous person and reported via iDefense Labs.

Original Advisory:
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=547

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: RealPlayer/Helix Player SMIL wallclock Buffer Overflow Vulnerability

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