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RealPlayer/RealOne/HelixPlayer "rm" and "rjs" File Handling Buffer Overflow
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Secunia Advisory:
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SA17514
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Release Date:
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2005-11-11
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Last Update:
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2005-12-02
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Popularity:
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18,148 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Helix Player 1.x
RealOne Player 1.x
RealOne Player 2.x
RealPlayer 10.x
RealPlayer Enterprise 1.x
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2005-2629
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Description:
eEye Digital Security has reported two vulnerabilities in RealPlayer, RealOne, and HelixPlayer, which can be exploited by malicious people to compromise a user's system.
1) A signedness error exists when handling the first data packet in a Real Media ".rm" file. This can be exploited to cause a stack-based buffer overflow via a specially crafted ".rm" file that contains values between 0x80 and 0xFF in the application-specific length field.
Successful exploitation allows arbitrary code execution.
The vulnerability has been reported in the following versions:
* RealPlayer 10.5 (6.0.12.1040-1235) (Windows)
* RealPlayer 10 (Windows)
* RealOne Player v1 (Windows)
* RealOne Player v2 (Windows)
* RealPlayer 8 (Windows)
* RealPlayer Enterprise versions 1.1, 1.2, 1.5, 1.6 and 1.7 (Windows)
* RealPlayer 10 (10.0.0.305 - 331) (Mac)
* RealPlayer 10 (10.0.0 - 10.0.5) (Linux)
* Helix Player (10.0.0 - 10.0.5) (Linux)
2) A boundary error exists when extracting a RealPlayer skin ".rjs" file. This can be exploited to cause a heap-based buffer overflow in DUNZIP32.DLL via a malicious ".rjs" file with a specially-crafted file length field.
The vulnerability has been reported in following versions:
* RealPlayer 10.5 (6.0.12.1040-1235) (Windows)
* RealPlayer 10 (Windows)
* RealOne Player v1 (Windows)
* RealOne Player v2 (Windows)
* RealPlayer 8 (Windows)
Solution:
Update to the fixed versions:
-- Windows Platform --
RealPlayer 10.5 / RealOne Player v1 (English only) / RealOne Player v2 / RealPlayer 10:
Update to the latest version via "Check for Update" on the "Tools" menu, or download patch from vendor's website.
http://service.real.com/help/faq/security/051110_player/EN/
RealPlayer 8 (version 6.0.9.584):
Update to the latest version via "Check for Update" on the "Help" menu, or download patch from vendor's website.
http://service.real.com/help/faq/security/051110_player/EN/
RealPlayer Enterprise:
Apply patch.
http://service.real.com/help/faq/security/security111005.html
-- Mac OS X Platform --
RealPlayer 10:
Update to the latest version via "Check for Update" on the "RealPlayer" menu.
RealOne Player for Mac OS X users need to upgrade to RealPlayer 10 for Mac OS X and then apply the update.
-- Linux Platform --
RealPlayer 10 for Linux:
http://www.real.com/linux
Helix Player for Linux:
https://player.helixcommunity.org/2005/downloads/
Provided and/or discovered by:
1) Karl Lynn, eEye Digital Security.
2) Fang Xing, eEye Digital Security.
The vendor also credits John Heasman of NGS Software.
Changelog:
2005-12-02: Added CVE reference.
Original Advisory:
RealNetworks:
http://service.real.com/help/faq/security/051110_player/EN/
http://service.real.com/help/faq/security/security111005.html
eEye Digital Security:
http://www.eeye.com/html/research/advisories/AD20051110a.html
http://www.eeye.com/html/research/advisories/AD20051110b.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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