[NEWS] Panda Antivirus ZOO Library Heap Overflow
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- Date: 28 Dec 2005 12:19:59 +0200
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Panda Antivirus ZOO Library Heap Overflow
------------------------------------------------------------------------
SUMMARY
The <http://www.pandasoftware.com/> Panda Antivirus library "provides
file format support for virus analysis". During decompression of ZOO files
Panda is vulnerable to a heap overflow allowing attackers complete control
of the system(s) being protected.
This vulnerability can be exploited remotely without user interaction in
default configurations through common protocols such as SMTP.
DETAILS
Due to the library s modular design and core functionality; it is likely
this vulnerability affects a substantial portion of Panda s gateway,
server, and client Antivirus-enabled product lines on most platforms.
Successful exploitation of Panda protected systems allows attackers
unauthorized control of data and related privileges. It also provides
leverage for further network compromise. Panda implementations are likely
vulnerable in their default configuration.
The vulnerable code is responsible for Lempel-Ziv decompression of ZOO
archive formats. Specifically, the vulnerability is the result of a loop
constraint bounded by user input. An attacker may craft a section of codes
to overwrite heap memory with arbitrary data. This technique can then be
used to obtain complete control of the process importing the vulnerable
code.
ADDITIONAL INFORMATION
The original article can be found at:
<http://www.rem0te.com/public/images/panda.pdf>
http://www.rem0te.com/public/images/panda.pdf
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