exiv2/exiv2-CVE-2021-29458.patch
Jan Grulich 4c8da3ae72 Add missing patches
Resolves: bz#1956174
2021-05-03 14:33:17 +02:00

50 lines
1.7 KiB
Diff

From 0a91b56616404f7b29ca28deb01ce18b767d1871 Mon Sep 17 00:00:00 2001
From: Kevin Backhouse <kevinbackhouse@github.com>
Date: Fri, 9 Apr 2021 13:26:23 +0100
Subject: [PATCH 1/5] Fix incorrect delete.
---
src/crwimage_int.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/crwimage_int.cpp b/src/crwimage_int.cpp
index a44a67e2c..6f89fa8b8 100644
--- a/src/crwimage_int.cpp
+++ b/src/crwimage_int.cpp
@@ -579,7 +579,7 @@ namespace Exiv2 {
void CiffComponent::setValue(DataBuf buf)
{
if (isAllocated_) {
- delete pData_;
+ delete[] pData_;
pData_ = 0;
size_ = 0;
}
From 9b7a19f957af53304655ed1efe32253a1b11a8d0 Mon Sep 17 00:00:00 2001
From: Kevin Backhouse <kevinbackhouse@github.com>
Date: Fri, 9 Apr 2021 13:37:48 +0100
Subject: [PATCH 3/5] Fix integer overflow.
---
src/crwimage_int.cpp | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/crwimage_int.cpp b/src/crwimage_int.cpp
index 6f89fa8b8..7b958c26f 100644
--- a/src/crwimage_int.cpp
+++ b/src/crwimage_int.cpp
@@ -1187,7 +1187,11 @@ namespace Exiv2 {
pCrwMapping->crwDir_);
if (edX != edEnd || edY != edEnd || edO != edEnd) {
uint32_t size = 28;
- if (cc && cc->size() > size) size = cc->size();
+ if (cc) {
+ if (cc->size() < size)
+ throw Error(kerCorruptedMetadata);
+ size = cc->size();
+ }
DataBuf buf(size);
std::memset(buf.pData_, 0x0, buf.size_);
if (cc) std::memcpy(buf.pData_ + 8, cc->pData() + 8, cc->size() - 8);