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  1. Proceedings of the 2003 workshop on New security paradigms (NSPW '03)
  2. SELF: a transparent security extension for ELF binaries
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Locality: a new paradigm for thinking about normal behavior and outsider threat
SELF: a transparent security extension for ELF binaries
Bringing security home: a process for developing secure and usable systems
Secure object identification: or: solving the Chess Grandmaster Problem
Towards a new paradigm for securing wireless sensor networks
Alliance formation for DDoS defense
Dynamic label binding at run-time
Security check: a formal yet practical framework for secure software architecture
Public key distribution through "cryptoIDs"
Securing nomads: the case for quarantine, examination, and decontamination
Merging paradigms of survivability and security: stochastic faults and designed faults
From absence of certain vulnerabilities towards security proofs: pushing the limits of formal verification
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SELF: a transparent security extension for ELF binaries

Content Provider ACM Digital Library
Author Venkatakrishnan, V. N. Bhatkar, Sandeep DuVarney, Daniel C.
Abstract The ability to analyze and modify binaries is often very useful from a security viewpoint. Security operations one would like to perform on binaries include the ability to extract models of program behavior and insert inline reference monitors. Unfortunately, the existing manner in which binary code is packaged prevents even the simplest of analyses, such as distinguishing code from data, from succeeding 100 percent of the time. In this paper, we propose SELF, a security-enhanced ELF (Executable and Linking Format), which is simply ELF with an extra section added. The extra section contains information about (among other things) the address, size, and alignment requirements of each code and static data item in the program. This information is somewhat similar to traditional debugging information, but contains additional information specifically needed for binary analysis that debugging information lacks. It is also smaller, compatible with optimization, and less likely to facilitate reverse engineering, which we believe makes it practical for use with commercial software products. SELF approach has three key benefits. First, the information for the extra section is easy for compilers to provide, so little work is required on behalf of compiler vendors. Second, the extra section is ignored by default, so SELF binaries will run perfectly on all systems, including ones not interested in leveraging the extra information. Third, the extra section provides sufficient information to perform many security-related operations on the binary code. We believe SELF to be a practical approach, allowing many security analyses to be performed while not requiring major changes to the existing compiler infrastructure. An application example of the utility of SELF to perform address obfuscation (in which the addresses of all code and data items are randomized to defeat memory-error exploits) is presented.
Starting Page 29
Ending Page 38
Page Count 10
File Format PDF
ISBN 1581138806
DOI 10.1145/986655.986661
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2003-08-13
Publisher Place New York
Access Restriction Subscribed
Content Type Text
Resource Type Article
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