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Fix for TLS record tampering bug CVE-2013-4353

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This commit is contained in:
Dr. Stephen Henson 2014-01-06 14:35:04 +00:00
parent c776a3f398
commit 197e0ea817
3 changed files with 11 additions and 1 deletions
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5
CHANGES
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@ -4,6 +4,11 @@
Changes between 1.0.1e and 1.0.1f [xx XXX xxxx]
*) Fix for TLS record tampering bug. A carefully crafted invalid
handshake could crash OpenSSL with a NULL pointer exception.
Thanks to Anton Johansson for reporting this issues.
(CVE-2013-4353)
*) Keep original DTLS digest and encryption contexts in retransmission
structures so we can use the previous session parameters if they need
to be resent. (CVE-2013-6450)

1
NEWS
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@ -7,6 +7,7 @@
Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [under development]
o Fix for TLS record tampering bug CVE-2013-4353
o Fix for TLS version checking bug CVE-2013-6449
o Fix for DTLS retransmission bug CVE-2013-6450

6
ssl/s3_both.c
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@ -210,7 +210,11 @@ static void ssl3_take_mac(SSL *s)
{
const char *sender;
int slen;
/* If no new cipher setup return immediately: other functions will
* set the appropriate error.
*/
if (s->s3->tmp.new_cipher == NULL)
return;
if (s->state & SSL_ST_CONNECT)
{
sender=s->method->ssl3_enc->server_finished_label;