[월:] 2018년 12월

USN-3831-2: Ghostscript regression ghostscript regression A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.10 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary USN-3831-1 introduced a regression in Ghostscript. Software Description ghostscript – PostScript and PDF interpreter Details USN-3831-1 fixed vulnerabilities in Ghostscript. Ghostscript 9.26 introduced a regression when used with certain options. This update fixes the problem. Original advisory details: It was discovered that Ghostscript contained multiple security issues. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use these issues to access arbitrary files, execute arbitrary code, or cause a denial of service. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 ghostscript – 9.26~dfsg+0-0ubuntu0.18.10.3 libgs9 – 9.26~dfsg+0-0ubuntu0.18.10.3 Ubuntu 18.04 LTS ghostscript – 9.26~dfsg+0-0ubuntu0.18.04.3 [ more… ]

USN-3840-1: OpenSSL vulnerabilities openssl, openssl1.0 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.10 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Several security issues were fixed in OpenSSL. Software Description openssl – Secure Socket Layer (SSL) cryptographic library and tools openssl1.0 – Secure Socket Layer (SSL) cryptographic library and tools Details Samuel Weiser discovered that OpenSSL incorrectly handled DSA signing. An attacker could possibly use this issue to perform a timing side-channel attack and recover private DSA keys. (CVE-2018-0734) Samuel Weiser discovered that OpenSSL incorrectly handled ECDSA signing. An attacker could possibly use this issue to perform a timing side-channel attack and recover private ECDSA keys. This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-0735) Billy Bob Brumley, Cesar Pereida Garcia, Sohaib ul Hassan, Nicola Tuveri, and Alejandro Cabrera Aldaya [ more… ]