VoIPER v0.07 released

VoIPER is a security toolkit that aims to allow developers and security researchers to easily, extensively and automatically test VoIP devices for security vulnerabilties. It incorporates a fuzzing suite built on the Sulley fuzzing framework, a SIP torturer tool based on RFC 4475 and a variety of auxilliary modules to assist in crash detection and debugging

The primary goal of VoIPER is to create a toolkit with all required testing functionality built in and to minimise the amount of effort an auditor
has to put into testing the security of a VoIP code base. This version has been extensively tested against a variety of SIP clients but should also work versus registrars, proxies, gateways and so on.

For the moment the fuzzer incorporates tests for

  • SIP INVITE (3 different test suites)
  • SIP ACK
  • SIP CANCEL
  • SIP request structure
  • SDP over SIP

This translates to well over 200,000 generated tests covering all SIP attributes specified in RFC 3261 for the given messages.

It includes other features such as

  • Protocol and process based crash detection and recording
  • Fuzzer pause/restart functionality (SFF)
  • Supports clients that require registration prior to fuzzing
  • Simple to expand to new protocols
  • As far as possible, protocol compliance e.g ACKs and CANCELs responses to prevent some clients hanging
  • Target process control (SFF)

Post scriptum


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