57 lines
1.9 KiB
Diff
57 lines
1.9 KiB
Diff
|
From be0e7c955d7efa628baa97447127c3434b575765 Mon Sep 17 00:00:00 2001
|
||
|
|
From: John Thacker <johnthacker@gmail.com>
|
||
|
|
Date: Sun, 28 Jul 2024 13:06:50 +0000
|
||
|
|
Subject: [PATCH] ntlmssp: Don't insert a key created on the stack into a hash
|
||
|
|
table
|
||
|
|
|
||
|
|
Origin: https://gitlab.com/wireshark/wireshark/-/merge_requests/16640
|
||
|
|
|
||
|
|
We could change this table to an autoreset wmem_map as well.
|
||
|
|
|
||
|
|
Fix #19943
|
||
|
|
|
||
|
|
|
||
|
|
(cherry picked from commit 66dcd56f1eae615697b6588ac4778a61a5576391)
|
||
|
|
|
||
|
|
Co-authored-by: John Thacker <johnthacker@gmail.com>
|
||
|
|
---
|
||
|
|
epan/dissectors/packet-ntlmssp.c | 8 +++++---
|
||
|
|
1 file changed, 5 insertions(+), 3 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/epan/dissectors/packet-ntlmssp.c b/epan/dissectors/packet-ntlmssp.c
|
||
|
|
index a538c204e61..d279d74eb53 100644
|
||
|
|
--- a/epan/dissectors/packet-ntlmssp.c
|
||
|
|
+++ b/epan/dissectors/packet-ntlmssp.c
|
||
|
|
@@ -2353,7 +2353,9 @@ decrypt_data_payload(tvbuff_t *tvb, int offset, guint32 encrypted_block_length,
|
||
|
|
decrypted_payloads = g_slist_prepend(decrypted_payloads,
|
||
|
|
packet_ntlmssp_info->decrypted_payload);
|
||
|
|
if (key != NULL) {
|
||
|
|
- g_hash_table_insert(hash_packet, key, packet_ntlmssp_info);
|
||
|
|
+ uint8_t *perm_key = g_new(uint8_t, NTLMSSP_KEY_LEN);
|
||
|
|
+ memcpy(perm_key, key, NTLMSSP_KEY_LEN);
|
||
|
|
+ g_hash_table_insert(hash_packet, perm_key, packet_ntlmssp_info);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Do the decryption of the payload */
|
||
|
|
@@ -2803,7 +2805,7 @@ header_hash(gconstpointer pointer)
|
||
|
|
static gboolean
|
||
|
|
header_equal(gconstpointer pointer1, gconstpointer pointer2)
|
||
|
|
{
|
||
|
|
- if (!memcmp(pointer1, pointer2, 16)) {
|
||
|
|
+ if (!memcmp(pointer1, pointer2, NTLMSSP_KEY_LEN)) {
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
@@ -2814,7 +2816,7 @@ header_equal(gconstpointer pointer1, gconstpointer pointer2)
|
||
|
|
static void
|
||
|
|
ntlmssp_init_protocol(void)
|
||
|
|
{
|
||
|
|
- hash_packet = g_hash_table_new(header_hash, header_equal);
|
||
|
|
+ hash_packet = g_hash_table_new_full(header_hash, header_equal, g_free, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
--
|
||
|
|
GitLab
|
||
|
|
|