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Commit c593ae84 authored 7 years ago by Nikos Mavrogiannopoulos

_asn1_decode_simple_ber: restrict the levels of recursion to 3


On indefinite string decoding, setting a maximum level of recursions
protects the BER decoder from a stack exhaustion due to large amounts
of recursion.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>

parent 0e74cc96

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Stanislav Židek @ep69 · 7 years ago

It makes sense to me after inspecting some other changes in tmp-protect-ber-decoder-from-recursion2. What would be probably good to add is the description of dflags parameter of _asn1_decode_simple_ber, but maybe in different commit.

It makes sense to me after inspecting some other changes in `tmp-protect-ber-decoder-from-recursion2`. What would be probably good to add is the description of `dflags` parameter of `_asn1_decode_simple_ber`, but maybe in different commit.
Nikos Mavrogiannopoulos @nmav · 7 years ago

Owner

@ep69 I've added a comment set documenting the options. Thank you.

@ep69 I've added a comment set documenting the options. Thank you.

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