USN-3183-1 fixed CVE-2016-8610 in GnuTLS in Ubuntu 16.04 LTS and Ubuntu 16.10. This update provides the corresponding update for Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
Original advisory details:
Stefan Buehler discovered that GnuTLS incorrectly verified the serial length of OCSP responses. A remote attacker could possibly use this issue to bypass certain certificate validation measures. This issue only applied to Ubuntu 16.04 LTS. (CVE-2016-7444)
Shi Lei discovered that GnuTLS incorrectly handled certain warning alerts. A remote attacker could possibly use this issue to cause GnuTLS to hang, resulting in a denial of service. This issue has only been addressed in Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-8610)
It was discovered that GnuTLS incorrectly decoded X.509 certificates with a Proxy Certificate Information extension. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2017-5334)
It was discovered that GnuTLS incorrectly handled certain OpenPGP certificates. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-5335, CVE-2017-5336, CVE-2017-5337)
{ "availability": "No subscription required", "binaries": [ { "libgnutls-dev-dbgsym": "2.12.23-12ubuntu2.7", "libgnutls-openssl27-dbgsym": "2.12.23-12ubuntu2.7", "gnutls26-doc": "2.12.23-12ubuntu2.7", "libgnutls26": "2.12.23-12ubuntu2.7", "libgnutlsxx27": "2.12.23-12ubuntu2.7", "libgnutls26-dbg": "2.12.23-12ubuntu2.7", "libgnutlsxx27-dbgsym": "2.12.23-12ubuntu2.7", "gnutls-bin": "3.0.11+really2.12.23-12ubuntu2.7", "libgnutls26-dbgsym": "2.12.23-12ubuntu2.7", "gnutls-bin-dbgsym": "3.0.11+really2.12.23-12ubuntu2.7", "libgnutls-dev": "2.12.23-12ubuntu2.7", "libgnutls-openssl27": "2.12.23-12ubuntu2.7" } ] }