[월:] 2019년 05월

USN-3999-1: GnuTLS vulnerabilities gnutls28 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.10 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Several security issues were fixed in GnuTLS. Software Description gnutls28 – GNU TLS library Details Eyal Ronen, Kenneth G. Paterson, and Adi Shamir discovered that GnuTLS was vulnerable to a timing side-channel attack known as the "Lucky Thirteen" issue. A remote attacker could possibly use this issue to perform plaintext-recovery attacks via analysis of timing data. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-10844, CVE-2018-10845, CVE-2018-10846) Tavis Ormandy discovered that GnuTLS incorrectly handled memory when verifying certain X.509 certificates. 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 18.04 LTS, [ more… ]

USN-3998-1: Evolution Data Server vulnerability evolution-data-server vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Evolution Data Server would sometimes display email content as encrypted when it was not. Software Description evolution-data-server – Evolution suite data server Details Marcus Brinkmann discovered that Evolution Data Server did not correctly interpret the output from GPG when decrypting encrypted messages. Under certain circumstances, this could result in displaying clear-text portions of encrypted messages as though they were encrypted. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS evolution-data-server – 3.28.5-0ubuntu0.18.04.2 evolution-data-server-common – 3.28.5-0ubuntu0.18.04.2 libcamel-1.2-61 – 3.28.5-0ubuntu0.18.04.2 libebackend-1.2-10 – 3.28.5-0ubuntu0.18.04.2 libedataserver-1.2-23 – 3.28.5-0ubuntu0.18.04.2 Ubuntu 16.04 LTS evolution-data-server – 3.18.5-1ubuntu1.2 evolution-data-server-common – 3.18.5-1ubuntu1.2 libcamel-1.2-54 – 3.18.5-1ubuntu1.2 libebackend-1.2-10 – 3.18.5-1ubuntu1.2 libedataserver-1.2-21 – 3.18.5-1ubuntu1.2 To update your [ more… ]