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RealPlayer/RealOne "DUNZIP32.dll" Buffer Overflow Vulnerability
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Secunia Advisory:
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SA12869
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Release Date:
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2004-10-27
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Last Update:
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2004-12-07
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Critical:
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Highly 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: | DynaZip Max 5.x
DynaZip Max Secure 6.x
RealOne Player 1.x
RealOne Player 2.x
RealPlayer 10.x
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| | CVE reference: | CVE-2004-1094 (Secunia mirror)
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Description:
eEye Digital Security and NGSSoftware have reported a vulnerability in RealPlayer and RealOne, which potentially can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error in a 3rd-party compression library (DUNZIP32.dll) when processing skin files. This can be exploited to cause a buffer overflow via a specially crafted skin file.
Successful exploitation allows execution of arbitrary code.
The vulnerability affects the following versions:
* RealPlayer 10.5 (prior to build 6.0.12.1056)
* RealPlayer 10
* RealOne Player v2
* RealOne Player v1
* DynaZip (prior to version 5.00.04)
* DynaZip Max (prior to version 6.00.01)
The vulnerability is related to:
SA12805
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Solution:
RealPlayer/RealOne:
Fixes are available via the "Check for Update" feature.
DynaZip:
Update to version 5.00.04 or later.
DynaZip Max:
Update to version 6.00.01 or later.
Provided and/or discovered by:
Independently discovered by:
* Yuji Ukai, eEye Digital Security.
* John Heasman, NGSSoftware.
Changelog:
2004-10-28: Added link to advisory from eEye Digital Security.
2004-11-01: Updated credits and linked to NGSSoftware advisory.
2004-11-23: Added information about affected DynaZip versions.
2004-12-07: Added CVE reference.
Original Advisory:
RealNetworks:
http://www.service.real.com/help/faq/security/041026_player/EN/
eEye Digital Security:
http://www.eeye.com/html/research/advisories/AD20041027.html
NGSSoftware:
http://www.nextgenss.com/advisories/realra3.txt
Other References:
SA12805:
http://secunia.com/advisories/12805/
US-CERT VU#582498:
http://www.kb.cert.org/vuls/id/582498
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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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21 Related Secunia Security Advisories, displaying 10
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1. RealPlayer ActiveX Control "Console" Property Memory Corruption
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2. RealPlayer/RealOne/HelixPlayer Multiple Buffer Overflows
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3. RealPlayer Playlist Handling Buffer Overflow Vulnerability
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4. RealPlayer/Helix Player SMIL wallclock Buffer Overflow Vulnerability
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5. DynaZip dzip32.dll/dzips32.dll Buffer Overflow Vulnerabilities
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6. RealNetworks Products Multiple Buffer Overflow Vulnerabilities
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7. RealPlayer/RealOne/HelixPlayer "rm" and "rjs" File Handling Buffer Overflow
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8. RealPlayer Error Message Format String Vulnerabilities
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9. RealOne / RealPlayer / Helix Player / Rhapsody Multiple Vulnerabilities
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10. Realplayer/RealOne RAM File Processing Buffer Overflow Vulnerability
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