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Adobe Reader WWWLaunchNetscape Buffer Overflow Vulnerability
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Secunia Advisory:
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SA9168
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Release Date:
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2003-07-10
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Popularity:
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13,736 views
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Critical:
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Less 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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| OS: | Conectiva Linux 6.0
Conectiva Linux 7.0
Conectiva Linux 8
Conectiva Linux 9
Debian GNU/Linux 2.x
Debian GNU/Linux 3.0
Debian GNU/Linux unstable alias sid
EnGarde Secure Community 1.x
Gentoo Linux 1.x
Mandrake Linux 7.x
Mandrake Linux 8.x
Mandrake Linux 9.x
RedHat Linux 6.2
RedHat Linux 7.0
RedHat Linux 7.1
RedHat Linux 7.2
RedHat Linux 7.3
RedHat Linux 8.0
RedHat Linux 9
Slackware Linux 8.x
Slackware Linux 9.0
Sun Linux 5.x
SuSE Linux 7.x
SuSE Linux 8.x
Trustix Linux 1.0
Trustix Linux 1.1
Trustix Linux 1.2
Trustix Linux 1.5
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| Software: | Adobe Acrobat Reader 5.x
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Description:
A vulnerability has been identified in Adobe Reader for Linux, which potentially can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error in the "WWWLaunchNetscape" function in the file "wwwlink.api". This can be exploited via a malicious link in a PDF document, which when clicked causes a buffer overflow.
Successful exploitation may result in execution of arbitrary code on the system with the user's privileges, but requires that the user is tricked into clicking the link and that connection type in "WebLink" is set to "Netscape" (default setting).
The vulnerability has been confirmed in versions 5.0.5 and 5.0.7. However, other versions may also be affected.
Several PoC (Proof of Concept) exploits have been released.
Solution:
Don't click on links in PDF documents, or remove the "wwwlink.api" plug-in located in "Acrobat5/Reader/intellinux/plug_ins/" (this removes the weblink functionality).
Provided and/or discovered by:
Identified by to different parties around the same time:
sec-labs team
Paul Szabo
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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.
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