提交 80162ad6 编写于 作者: M Matt Caswell

Updates to CHANGES and NEWS for the new release.

Reviewed-by: NRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6949)
上级 2369111f
...@@ -465,6 +465,62 @@ ...@@ -465,6 +465,62 @@
Changes between 1.1.0h and 1.1.0i [xx XXX xxxx] Changes between 1.1.0h and 1.1.0i [xx XXX xxxx]
*) Client DoS due to large DH parameter
During key agreement in a TLS handshake using a DH(E) based ciphersuite a
malicious server can send a very large prime value to the client. This will
cause the client to spend an unreasonably long period of time generating a
key for this prime resulting in a hang until the client has finished. This
could be exploited in a Denial Of Service attack.
This issue was reported to OpenSSL on 5th June 2018 by Guido Vranken
(CVE-2018-0732)
[Guido Vranken]
*) Cache timing vulnerability in RSA Key Generation
The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to
a cache timing side channel attack. An attacker with sufficient access to
mount cache timing attacks during the RSA key generation process could
recover the private key.
This issue was reported to OpenSSL on 4th April 2018 by Alejandro Cabrera
Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis Manuel Alvarez Tapia.
(CVE-2018-0737)
[Billy Brumley]
*) Make EVP_PKEY_asn1_new() a bit stricter about its input. A NULL pem_str
parameter is no longer accepted, as it leads to a corrupt table. NULL
pem_str is reserved for alias entries only.
[Richard Levitte]
*) Revert blinding in ECDSA sign and instead make problematic addition
length-invariant. Switch even to fixed-length Montgomery multiplication.
[Andy Polyakov]
*) Change generating and checking of primes so that the error rate of not
being prime depends on the intended use based on the size of the input.
For larger primes this will result in more rounds of Miller-Rabin.
The maximal error rate for primes with more than 1080 bits is lowered
to 2^-128.
[Kurt Roeckx, Annie Yousar]
*) Increase the number of Miller-Rabin rounds for DSA key generating to 64.
[Kurt Roeckx]
*) Add blinding to ECDSA and DSA signatures to protect against side channel
attacks discovered by Keegan Ryan (NCC Group).
[Matt Caswell]
*) When unlocking a pass phrase protected PEM file or PKCS#8 container, we
now allow empty (zero character) pass phrases.
[Richard Levitte]
*) Certificate time validation (X509_cmp_time) enforces stricter
compliance with RFC 5280. Fractional seconds and timezone offsets
are no longer allowed.
[Emilia Käsper]
*) Fixed a text canonicalisation bug in CMS *) Fixed a text canonicalisation bug in CMS
Where a CMS detached signature is used with text content the text goes Where a CMS detached signature is used with text content the text goes
......
...@@ -22,6 +22,11 @@ ...@@ -22,6 +22,11 @@
o Add support for SipHash o Add support for SipHash
o Grand redesign of the OpenSSL random generator o Grand redesign of the OpenSSL random generator
Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [under development]
o Client DoS due to large DH parameter (CVE-2018-0732)
o Cache timing vulnerability in RSA Key Generation (CVE-2018-0737)
Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [under development] Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [under development]
o Constructed ASN.1 types with a recursive definition could exceed the o Constructed ASN.1 types with a recursive definition could exceed the
......
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