summaryrefslogtreecommitdiff
path: root/extra
diff options
context:
space:
mode:
Diffstat (limited to 'extra')
-rw-r--r--extra/yassl/src/handshake.cpp5
-rw-r--r--extra/yassl/src/template_instnt.cpp1
-rw-r--r--extra/yassl/src/yassl_imp.cpp11
3 files changed, 16 insertions, 1 deletions
diff --git a/extra/yassl/src/handshake.cpp b/extra/yassl/src/handshake.cpp
index 1d5a95820bb..262b5cb3b8b 100644
--- a/extra/yassl/src/handshake.cpp
+++ b/extra/yassl/src/handshake.cpp
@@ -527,6 +527,11 @@ void ProcessOldClientHello(input_buffer& input, SSL& ssl)
input.read(len, sizeof(len));
uint16 randomLen;
ato16(len, randomLen);
+ if (ch.suite_len_ > MAX_SUITE_SZ || sessionLen > ID_LEN ||
+ randomLen > RAN_LEN) {
+ ssl.SetError(bad_input);
+ return;
+ }
int j = 0;
for (uint16 i = 0; i < ch.suite_len_; i += 3) {
diff --git a/extra/yassl/src/template_instnt.cpp b/extra/yassl/src/template_instnt.cpp
index f82f7924359..fe3a251b865 100644
--- a/extra/yassl/src/template_instnt.cpp
+++ b/extra/yassl/src/template_instnt.cpp
@@ -101,6 +101,7 @@ template void ysArrayDelete<unsigned char>(unsigned char*);
template void ysArrayDelete<char>(char*);
template int min<int>(int, int);
+template uint16 min<uint16>(uint16, uint16);
template unsigned int min<unsigned int>(unsigned int, unsigned int);
template unsigned long min<unsigned long>(unsigned long, unsigned long);
}
diff --git a/extra/yassl/src/yassl_imp.cpp b/extra/yassl/src/yassl_imp.cpp
index 0bc95f64abc..b43d9c27355 100644
--- a/extra/yassl/src/yassl_imp.cpp
+++ b/extra/yassl/src/yassl_imp.cpp
@@ -621,6 +621,10 @@ void HandShakeHeader::Process(input_buffer& input, SSL& ssl)
}
uint len = c24to32(length_);
+ if (len > input.get_remaining()) {
+ ssl.SetError(bad_input);
+ return;
+ }
hashHandShake(ssl, input, len);
hs->set_length(len);
@@ -1391,10 +1395,15 @@ input_buffer& operator>>(input_buffer& input, ClientHello& hello)
// Suites
byte tmp[2];
+ uint16 len;
tmp[0] = input[AUTO];
tmp[1] = input[AUTO];
- ato16(tmp, hello.suite_len_);
+ ato16(tmp, len);
+
+ hello.suite_len_ = min(len, static_cast<uint16>(MAX_SUITE_SZ));
input.read(hello.cipher_suites_, hello.suite_len_);
+ if (len > hello.suite_len_) // ignore extra suites
+ input.set_current(input.get_current() + len - hello.suite_len_);
// Compression
hello.comp_len_ = input[AUTO];