openssl - security update

Several vulnerabilities were discovered in OpenSSL:

• CVE-2016-2177
  Guido Vranken discovered that OpenSSL uses undefined pointer
  arithmetic. Additional information can be found at
  
  https://www.openssl.org/blog/blog/2016/06/27/undefined-pointer-arithmetic/
• CVE-2016-2178
  Cesar Pereida, Billy Brumley and Yuval Yarom discovered a timing
  leak in the DSA code.
• CVE-2016-2179 /
  CVE-2016-2181
  Quan Luo and the OCAP audit team discovered denial of service
  vulnerabilities in DTLS.
• CVE-2016-2180 /
  CVE-2016-2182 /
  CVE-2016-6303
  Shi Lei discovered an out-of-bounds memory read in
  TS_OBJ_print_bio() and an out-of-bounds write in BN_bn2dec()
  and MDC2_Update().
• CVE-2016-2183
  DES-based cipher suites are demoted from the HIGH group to MEDIUM
  as a mitigation for the SWEET32 attack.
• CVE-2016-6302
  Shi Lei discovered that the use of SHA512 in TLS session tickets
  is susceptible to denial of service.
• CVE-2016-6304
  Shi Lei discovered that excessively large OCSP status request may
  result in denial of service via memory exhaustion.
• CVE-2016-6306
  Shi Lei discovered that missing message length validation when parsing
  certificates may potentially result in denial of service.

For Debian 7 Wheezy, these problems have been fixed in version
1.0.1t-1+deb7u1.

We recommend that you upgrade your openssl and libssl1.0.0 packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: <https://wiki.debian.org/LTS&gt;