[openssl/openssl] df0ee3: signature/ecdsa_sig.c: Add checks for the EVP_MD_g...

[JiashengJiang]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: df0ee35b53a6cde959c119a165814d88e4492bb1
      https://github.com/openssl/openssl/commit/df0ee35b53a6cde959c119a165814d88e4492bb1
  Author: Jiasheng Jiang <jiasheng at purdue.edu>
  Date:   2024-04-09 (Tue, 09 Apr 2024)

  Changed paths:
    M providers/implementations/signature/ecdsa_sig.c

  Log Message:
  -----------
  signature/ecdsa_sig.c: Add checks for the EVP_MD_get_size()

Add checks for the EVP_MD_get_size() to avoid integer overflow and then explicitly cast from int to size_t.

Fixes: edd3b7a309 ("Add ECDSA to providers")
Signed-off-by: Jiasheng Jiang <jiasheng at purdue.edu>

Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23947)



To unsubscribe from these emails, change your notification settings at https://github.com/openssl/openssl/settings/notifications