Ubuntu Security Notice 1735-1 - Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as used in OpenSSL was vulnerable to a timing side-channel attack known as the "Lucky Thirteen" issue. A remote attacker could use this issue to perform plaintext-recovery attacks via analysis of timing data. A vulnerability was discovered in the OpenJDK JRE related to information disclosure and data integrity. An attacker could exploit this to cause a denial of service. This issue only affected Ubuntu 12.10. Various other issues were also addressed.
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