- OpenSSL Security Advisory [3rd May 2016]
- update to 1.0.2h (boo#977584, boo#977663)
* Prevent padding oracle in AES-NI CBC MAC check
A MITM attacker can use a padding oracle attack to decrypt traffic
when the connection uses an AES CBC cipher and the server support
AES-NI.
(CVE-2016-2107, boo#977616)
* Fix EVP_EncodeUpdate overflow
An overflow can occur in the EVP_EncodeUpdate() function which is used for
Base64 encoding of binary data. If an attacker is able to supply very large
amounts of input data then a length check can overflow resulting in a heap
corruption.
(CVE-2016-2105, boo#977614)
* Fix EVP_EncryptUpdate overflow
An overflow can occur in the EVP_EncryptUpdate() function. If an attacker
is able to supply very large amounts of input data after a previous call to
EVP_EncryptUpdate() with a partial block then a length check can overflow
resulting in a heap corruption.
(CVE-2016-2106, boo#977615)
* Prevent ASN.1 BIO excessive memory allocation
When ASN.1 data is read from a BIO using functions such as d2i_CMS_bio()
a short invalid encoding can casuse allocation of large amounts of memory
potentially consuming excessive resources or exhausting memory.
(CVE-2016-2109, boo#976942)
* EBCDIC overread
ASN1 Strings that are over 1024 bytes can cause an overread in applications
using the X509_NAME_oneline() function on EBCDIC systems. This could result
in arbitrary stack data being returned in the buffer.
(CVE-2016-2176, boo#978224)
* Modify behavior of ALPN to invoke callback after SNI/servername (forwarded request 393446 from vitezslav_cizek)