ubuntu-usn

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… ]

USN-3839-1: WavPack vulnerabilities wavpack 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 WavPack. Software Description wavpack – audio codec (lossy and lossless) – encoder and decoder Details It was discovered that WavPack incorrectly handled certain WAV files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-19840, CVE-2018-19841) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 libwavpack1 – 5.1.0-4ubuntu0.1 wavpack – 5.1.0-4ubuntu0.1 Ubuntu 18.04 LTS libwavpack1 – 5.1.0-2ubuntu1.2 wavpack – 5.1.0-2ubuntu1.2 Ubuntu 16.04 LTS libwavpack1 – 4.75.2-2ubuntu0.2 wavpack – 4.75.2-2ubuntu0.2 Ubuntu 14.04 LTS libwavpack1 – 4.70.0-1ubuntu0.2 wavpack – 4.70.0-1ubuntu0.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update [ more… ]

USN-3838-1: LibRaw vulnerabilities libraw vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary LibRaw could be made to crash or run programs as your login if it opened a specially crafted file. Software Description libraw – raw image decoder library Details It was discovered that LibRaw incorrectly handled photo files. If a user or automated system were tricked into processing a specially crafted photo file, a remote attacker could cause applications linked against LibRaw to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS libraw16 – 0.18.8-1ubuntu0.2 Ubuntu 16.04 LTS libraw15 – 0.17.1-1ubuntu0.4 Ubuntu 14.04 LTS libraw9 – 0.15.4-1ubuntu0.3 To update your system, please follow [ more… ]

USN-3811-3: SpamAssassin vulnerabilities spamassassin vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 ESM Summary Several security issues were fixed in SpamAssassin. Software Description spamassassin – Perl-based spam filter using text analysis Details USN-3811-1 fixed a vulnerability in spamassassin. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that SpamAssassin incorrectly handled the PDFInfo plugin. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11780) It was discovered that SpamAssassin incorrectly handled meta rule syntax. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11781) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM spamassassin – 3.4.2-0ubuntu0.12.04.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream [ more… ]