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authorPauli <pauli@openssl.org>2021-09-22 02:31:22 +0200
committerPauli <pauli@openssl.org>2021-09-24 09:38:23 +0200
commit1a473d1cc67e04ae9fea517b36dc332143250cf5 (patch)
tree8c1577a61ca49ac1ff97ab35526f60c263d002f6 /CHANGES.md
parentChange TLS RC4 cipher strength check to be data driven. (diff)
downloadopenssl-1a473d1cc67e04ae9fea517b36dc332143250cf5.tar.xz
openssl-1a473d1cc67e04ae9fea517b36dc332143250cf5.zip
tls: reduce the strength of CCM_8 ciphers due to their short IV.
Fixes #16154 Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/16652)
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@@ -24,6 +24,11 @@ OpenSSL 3.1
### Changes between 3.0 and 3.1 [xx XXX xxxx]
+ * CCM8 cipher suites in TLS have been downgraded to security level 1 because
+ they use a short tag which lowers their strength.
+
+ *Paul Dale*
+
* Subject or issuer names in X.509 objects are now displayed as UTF-8 strings
by default.