analysisd: fix possible null ptr deref in OS_CleanMSG.#1823
Merged
ddpbsd merged 1 commit intoossec:masterfrom Jan 16, 2020
Merged
analysisd: fix possible null ptr deref in OS_CleanMSG.#1823ddpbsd merged 1 commit intoossec:masterfrom
ddpbsd merged 1 commit intoossec:masterfrom
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If the `msg` provided to `OS_CleanMSG` has a `(` after the ID, but doesn't not contain a `->` or `:` it should be rejected with a `FORMAT_ERROR`. Prev. to this commit nesting `strstr` for `->` as the first argument to `strchr` for `:` results in a null ptr deref when the message is malformed.
This was referenced Jan 16, 2020
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If the
msgprovided toOS_CleanMSGhas a(after the ID, but doesn't not contain a->or:it should be rejected with aFORMAT_ERROR.Prev. to this commit nesting
strstrfor->as the first argument tostrchrfor:results in a null ptr deref when the message is malformed.Resolves #1815