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Adobe Acrobat Reader ActiveX Control Overflow |
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Fiche créée le 2004-08-16 16:03:03, dernière mise à jour le 2010-03-12 09:12:27
A remote overflow exists in Adobe Acrobat Reader. Acrobat Readers' active x component pdf.ocx fails to perform bounds checking on long URI strings resulting in a buffer overflow within RTLHeapFree(). With a specially crafted request, an attacker can execute arbitrary code resulting in a loss of confidentiality and integrity.
The following example can be used to test the vulnerability
Example:
http://[host]/[directory]/[existing_pdf].pdf%00[long_string]
This will only work on web servers, which truncate the URL request before the "%00" sequence, such as Internet Information Server (IIS) and/or Netscape Enterprise Server. Other server software such as Apache should return a "file not found" page when this test and/or vulnerability is attempted.
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| Adobe Systems Incorporated 5.0.5 Affected | | | Attack Type : Input Manipulation
XSS, SQL injection, file retrieval, directory traversal, overflows, URL encoding. | Découvert le 2004-08-13 07:00:00
| | Disclosure : OSVDB Verified | Confirmé le 2004-08-13 07:00:00
| | Exploit : Exploit Public | Exploit découvert le 2004-08-13 07:00:00
| Impact : Loss of Confidentiality
Assurance that data is protected and not disclosed to an unauthorized party.
Examples: password disclosures, server information, environment variables, confirmation of file existence, path disclosure, file content access, some SQL injection. | | | Impact : Loss of Integrity
Assurance that data is unaltered by unauthorized persons.
Examples: XSS, arbitrary command execution, most overflows, most format strings, SQL injection, unauthorized file modification/deletion/creation, remote file inclusion, etc. | | | | Location : Context Dependent | | | Location : Remote / Network Access
If network access if required and exploit can be done remotely. | | |
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| External refs : |
| OSVDB 8883 | | | | | | | | | | | | | | |
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