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SSH-01-006: Add missing NULL check for ssh_packet_get_current_crypto()

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Fixes T193

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
(cherry picked from commit b55d7f3b73)
This commit is contained in:
Andreas Schneider
2019-10-28 11:47:55 +01:00
parent 11cb618c75
commit e5b403f83a
1 changed files with 3 additions and 0 deletions
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3
src/packet_crypt.c
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@@ -103,6 +103,9 @@ int ssh_packet_decrypt(ssh_session session,
} }
crypto = ssh_packet_get_current_crypto(session, SSH_DIRECTION_IN); crypto = ssh_packet_get_current_crypto(session, SSH_DIRECTION_IN);
if (crypto == NULL) {
return SSH_ERROR;
}
cipher = crypto->in_cipher; cipher = crypto->in_cipher;
if (encrypted_size % cipher->blocksize != 0) { if (encrypted_size % cipher->blocksize != 0) {