Re: ANNOUNCE: Serious bug in Nettle's ecdsa_verify - Critical Confirmation

2021-12-06 Thread Niels Möller
"Jayakumar, Jaikanth" writes: > There is a small confusion, I believe the bug reported here > (https://lists.lysator.liu.se/pipermail/nettle-bugs/2021/009457.html) > is related to CVE-2021-20305, right ? and this (CVE-2021-20305) is > fixed in version 3.7.2. Which *two* problems are you asking

ANNOUNCE: Serious bug in Nettle's ecdsa_verify

2021-03-16 Thread Niels Möller
I've been made aware of a bug in Nettle's code to verify ECDSA signatures. Certain signatures result in the ecc point multiply function being called with out-of-range scalars, which may give incorrect results, or crash in an assertion failure. It's an old bug, probably since Nettle's initial