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-rw-r--r--php-bug81738.patch113
1 files changed, 113 insertions, 0 deletions
diff --git a/php-bug81738.patch b/php-bug81738.patch
new file mode 100644
index 0000000..9a3fa1c
--- /dev/null
+++ b/php-bug81738.patch
@@ -0,0 +1,113 @@
+Cleanup from upstream
+
+
+
+From 248f647724e385bfb8d83aa5b5a5ca3c4ee2c7fd Mon Sep 17 00:00:00 2001
+From: Stanislav Malyshev <smalyshev@gmail.com>
+Date: Thu, 20 Oct 2022 23:57:35 -0600
+Subject: [PATCH] Fix bug #81738 (buffer overflow in hash_update() on long
+ parameter)
+
+---
+ NEWS | 4 ++++
+ ext/hash/sha3/generic32lc/KeccakSponge.inc | 14 ++++++++------
+ ext/hash/sha3/generic64lc/KeccakSponge.inc | 14 ++++++++------
+ main/php_version.h | 10 +++++-----
+ 4 files changed, 25 insertions(+), 17 deletions(-)
+
+diff --git a/ext/hash/sha3/generic32lc/KeccakSponge.inc b/ext/hash/sha3/generic32lc/KeccakSponge.inc
+index 42a15aac6d93..f8c42ff788b7 100644
+--- a/ext/hash/sha3/generic32lc/KeccakSponge.inc
++++ b/ext/hash/sha3/generic32lc/KeccakSponge.inc
+@@ -160,7 +160,7 @@ int SpongeAbsorb(SpongeInstance *instance, const unsigned char *data, size_t dat
+ i = 0;
+ curData = data;
+ while(i < dataByteLen) {
+- if ((instance->byteIOIndex == 0) && (dataByteLen >= (i + rateInBytes))) {
++ if ((instance->byteIOIndex == 0) && (dataByteLen-i >= rateInBytes)) {
+ #ifdef SnP_FastLoop_Absorb
+ /* processing full blocks first */
+ if ((rateInBytes % (SnP_width/200)) == 0) {
+@@ -186,9 +186,10 @@ int SpongeAbsorb(SpongeInstance *instance, const unsigned char *data, size_t dat
+ }
+ else {
+ /* normal lane: using the message queue */
+- partialBlock = (unsigned int)(dataByteLen - i);
+- if (partialBlock+instance->byteIOIndex > rateInBytes)
++ if (dataByteLen-i > rateInBytes-instance->byteIOIndex)
+ partialBlock = rateInBytes-instance->byteIOIndex;
++ else
++ partialBlock = (unsigned int)(dataByteLen - i);
+ #ifdef KeccakReference
+ displayBytes(1, "Block to be absorbed (part)", curData, partialBlock);
+ #endif
+@@ -263,7 +264,7 @@ int SpongeSqueeze(SpongeInstance *instance, unsigned char *data, size_t dataByte
+ i = 0;
+ curData = data;
+ while(i < dataByteLen) {
+- if ((instance->byteIOIndex == rateInBytes) && (dataByteLen >= (i + rateInBytes))) {
++ if ((instance->byteIOIndex == rateInBytes) && (dataByteLen-i >= rateInBytes)) {
+ for(j=dataByteLen-i; j>=rateInBytes; j-=rateInBytes) {
+ SnP_Permute(instance->state);
+ SnP_ExtractBytes(instance->state, curData, 0, rateInBytes);
+@@ -280,9 +281,10 @@ int SpongeSqueeze(SpongeInstance *instance, unsigned char *data, size_t dataByte
+ SnP_Permute(instance->state);
+ instance->byteIOIndex = 0;
+ }
+- partialBlock = (unsigned int)(dataByteLen - i);
+- if (partialBlock+instance->byteIOIndex > rateInBytes)
++ if (dataByteLen-i > rateInBytes-instance->byteIOIndex)
+ partialBlock = rateInBytes-instance->byteIOIndex;
++ else
++ partialBlock = (unsigned int)(dataByteLen - i);
+ i += partialBlock;
+
+ SnP_ExtractBytes(instance->state, curData, instance->byteIOIndex, partialBlock);
+diff --git a/ext/hash/sha3/generic64lc/KeccakSponge.inc b/ext/hash/sha3/generic64lc/KeccakSponge.inc
+index 42a15aac6d93..f8c42ff788b7 100644
+--- a/ext/hash/sha3/generic64lc/KeccakSponge.inc
++++ b/ext/hash/sha3/generic64lc/KeccakSponge.inc
+@@ -160,7 +160,7 @@ int SpongeAbsorb(SpongeInstance *instance, const unsigned char *data, size_t dat
+ i = 0;
+ curData = data;
+ while(i < dataByteLen) {
+- if ((instance->byteIOIndex == 0) && (dataByteLen >= (i + rateInBytes))) {
++ if ((instance->byteIOIndex == 0) && (dataByteLen-i >= rateInBytes)) {
+ #ifdef SnP_FastLoop_Absorb
+ /* processing full blocks first */
+ if ((rateInBytes % (SnP_width/200)) == 0) {
+@@ -186,9 +186,10 @@ int SpongeAbsorb(SpongeInstance *instance, const unsigned char *data, size_t dat
+ }
+ else {
+ /* normal lane: using the message queue */
+- partialBlock = (unsigned int)(dataByteLen - i);
+- if (partialBlock+instance->byteIOIndex > rateInBytes)
++ if (dataByteLen-i > rateInBytes-instance->byteIOIndex)
+ partialBlock = rateInBytes-instance->byteIOIndex;
++ else
++ partialBlock = (unsigned int)(dataByteLen - i);
+ #ifdef KeccakReference
+ displayBytes(1, "Block to be absorbed (part)", curData, partialBlock);
+ #endif
+@@ -263,7 +264,7 @@ int SpongeSqueeze(SpongeInstance *instance, unsigned char *data, size_t dataByte
+ i = 0;
+ curData = data;
+ while(i < dataByteLen) {
+- if ((instance->byteIOIndex == rateInBytes) && (dataByteLen >= (i + rateInBytes))) {
++ if ((instance->byteIOIndex == rateInBytes) && (dataByteLen-i >= rateInBytes)) {
+ for(j=dataByteLen-i; j>=rateInBytes; j-=rateInBytes) {
+ SnP_Permute(instance->state);
+ SnP_ExtractBytes(instance->state, curData, 0, rateInBytes);
+@@ -280,9 +281,10 @@ int SpongeSqueeze(SpongeInstance *instance, unsigned char *data, size_t dataByte
+ SnP_Permute(instance->state);
+ instance->byteIOIndex = 0;
+ }
+- partialBlock = (unsigned int)(dataByteLen - i);
+- if (partialBlock+instance->byteIOIndex > rateInBytes)
++ if (dataByteLen-i > rateInBytes-instance->byteIOIndex)
+ partialBlock = rateInBytes-instance->byteIOIndex;
++ else
++ partialBlock = (unsigned int)(dataByteLen - i);
+ i += partialBlock;
+
+ SnP_ExtractBytes(instance->state, curData, instance->byteIOIndex, partialBlock);