OpenBSD Journal

Fuzzing ping(8) … and finding a 24 year old bug.

Contributed by Peter N. M. Hansteen on from the all the fuzzies dept.

Following the recent discovery of a security issue in FreeBSD's ping(8), OpenBSD developer Florian Obser (florian@) wanted to know if something similar lurked in the OpenBSD code as well.

The result of his investigation can be found in the article called Fuzzing ping(8) … and finding a 24 year old bug., which leads in,

FreeBSD had a security fluctuation in their implementation of ping(8) the other day. As someone who has done a lot of work on ping(8) in OpenBSD this tickled my interests.

What about OpenBSD?

ping(8) is ancient:

Read the rest of the article here. It is quite a story, with lessons to be considered by anyone working on code that's been around a few years or decades.

As Florian mentions in his post, the fix has been committed to the repo (with a subsequent tweak).

(Comments are closed)

  1. By Will Backman (bitgeist) on

    Looking forward to seeing what gets fuzzed next!


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