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| author |   jsing <jsing@openbsd.org> | 2014-06-05 15:46:24 +0000 |
|---|---|---|
| committer | jsing <jsing@openbsd.org> | 2014-06-05 15:46:24 +0000 |
| commit | 80be6061e6dcd27b6153a0ce89043646d5ef4f73 (patch) | |
| tree | 95bbffdcaa593dedc8d34e59a21ed55a23c4f3a1 /lib/libssl/src/ssl/d1_both.c | |
| parent | Reduce code running as root by trying to create all needed sockets (diff) | |
| download | wireguard-openbsd-80be6061e6dcd27b6153a0ce89043646d5ef4f73.tar.xz wireguard-openbsd-80be6061e6dcd27b6153a0ce89043646d5ef4f73.zip | |
Be selective as to when ChangeCipherSpec messages will be accepted.
Without this an early ChangeCipherSpec message would result in session
keys being generated, along with the Finished hash for the handshake,
using an empty master secret.
For a detailed analysis see:
https://www.imperialviolet.org/2014/06/05/earlyccs.html
This is a fix for CVE-2014-0224, from OpenSSL.
This issue was reported to OpenSSL by KIKUCHI Masashi. Unfortunately the
recent OpenSSL commit was the first we were made aware of the issue.
ok deraadt@ sthen@
Diffstat (limited to 'lib/libssl/src/ssl/d1_both.c')
0 files changed, 0 insertions, 0 deletions