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iViZ Security Advisory 08-016

iViZ Security Advisory 08-016
Posted Dec 10, 2008
Authored by Jonathan Brossard | Site ivizsecurity.com

It is possible to protect an ELF binary against f-prot by corrupting its ELF header, while letting the binary completely functional. F-prot will crash when analyzing the file, letting the possible malware undetected. f-prot version 4.6.8 for GNU/Linux is affected.

tags | advisory
systems | linux
SHA-256 | a1424ff8ad9ff444b319433fdf1a2163ec6ad872d6772bed154f4806cb4e88df

iViZ Security Advisory 08-016

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[ iViZ Security Advisory 08-016 10/12/2008 ]
-----------------------------------------------------------------------
iViZ Techno Solutions Pvt. Ltd.
http://www.ivizsecurity.com
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* Title: F-Secure f-prot Antivirus for Linux corrupted ELF header
Security Bypass.
* Date: 10/12/2008
* Software: f-prot version 4.6.8 for GNU/Linux

--[ Synopsis:

It is possible to protect an ELF binary against
f-prot by corrupting its ELF header, while letting
the binary completely functional. F-prot will crash
when analyzing the file, letting the possible malware
undetected.

--[ Affected Software:

* f-prot version 4.6.8 for GNU/Linux

--[ Impact:

Remote DoS, possibly remote code execution.

--[ Vendor response:

* No vendor response

--[ Credits:

This vulnerability was discovered by Security Researcher
Jonathan Brossard from iViZ Techno Solutions Pvt. Ltd.

--[ Disclosure timeline:

* First private disclosure to vendor on September 1st 2008.

--[ Reference:

http://www.ivizsecurity.com/security-advisory.html
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