mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-06-26 14:42:13 +00:00
202033c013
This adds 3 expat patches for n-asb-2022-09 from https://github.com/syphyr/android_external_expat/commits/cm-14.1 and also applies 2 of them to 15.1 Signed-off-by: Tad <tad@spotco.us>
53 lines
1.9 KiB
Diff
53 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Chienyuan <chienyuanhuang@google.com>
|
|
Date: Wed, 30 Jan 2019 19:17:03 +0800
|
|
Subject: [PATCH] Fix OOB in BNEP_Write
|
|
|
|
Bug: 112050583
|
|
Test: PoC
|
|
Change-Id: I2ad3aceea38950b83f98819ede47538afb053ac0
|
|
(cherry picked from commit b31554e2a31534888c0eb593d915f735ce4670c7)
|
|
CRs-Fixed: 3155069
|
|
---
|
|
stack/bnep/bnep_api.c | 15 +++++++++++++--
|
|
1 file changed, 13 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/stack/bnep/bnep_api.c b/stack/bnep/bnep_api.c
|
|
index 3e866d100..dc349299a 100644
|
|
--- a/stack/bnep/bnep_api.c
|
|
+++ b/stack/bnep/bnep_api.c
|
|
@@ -374,10 +374,16 @@ tBNEP_RESULT BNEP_WriteBuf (UINT16 handle,
|
|
/* Check MTU size */
|
|
if (p_buf->len > BNEP_MTU_SIZE)
|
|
{
|
|
- BNEP_TRACE_ERROR ("BNEP_Write() length %d exceeded MTU %d", p_buf->len, BNEP_MTU_SIZE);
|
|
+ BNEP_TRACE_ERROR ("%s length %d exceeded MTU %d", __func__, p_buf->len, BNEP_MTU_SIZE);
|
|
osi_free(p_buf);
|
|
return (BNEP_MTU_EXCEDED);
|
|
}
|
|
+ else if (p_buf->len < 2)
|
|
+ {
|
|
+ BNEP_TRACE_ERROR ("%s length %d too short, must be at least 2", __func__, p_buf->len);
|
|
+ osi_free(p_buf);
|
|
+ return BNEP_IGNORE_CMD;
|
|
+ }
|
|
|
|
/* Check if the packet should be filtered out */
|
|
p_data = (UINT8 *)(p_buf + 1) + p_buf->offset;
|
|
@@ -484,9 +490,14 @@ tBNEP_RESULT BNEP_Write (UINT16 handle,
|
|
/* Check MTU size. Consider the possibility of having extension headers */
|
|
if (len > BNEP_MTU_SIZE)
|
|
{
|
|
- BNEP_TRACE_ERROR ("BNEP_Write() length %d exceeded MTU %d", len, BNEP_MTU_SIZE);
|
|
+ BNEP_TRACE_ERROR ("%s length %d exceeded MTU %d", __func__, len, BNEP_MTU_SIZE);
|
|
return (BNEP_MTU_EXCEDED);
|
|
}
|
|
+ else if (len < 2)
|
|
+ {
|
|
+ BNEP_TRACE_ERROR ("%s length %d too short, must be at least 2", __func__, len);
|
|
+ return BNEP_IGNORE_CMD;
|
|
+ }
|
|
|
|
if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
|
|
return (BNEP_WRONG_HANDLE);
|