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USN-3842-1: CUPS vulnerability

2018-12-11 KENNETH 0

USN-3842-1: CUPS vulnerability cups vulnerability 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 CUPS could be made to expose sensitive information. Software Description cups – Common UNIX Printing System™ Details Jann Horn discovered that CUPS incorrectly handled session cookie randomness. A remote attacker could possibly use this issue to perform cross-site request forgery (CSRF) attacks. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 cups – 2.2.8-5ubuntu1.1 Ubuntu 18.04 LTS cups – 2.2.7-1ubuntu2.2 Ubuntu 16.04 LTS cups – 2.1.3-4ubuntu0.6 Ubuntu 14.04 LTS cups – 1.7.2-0ubuntu1.11 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2018-4700 Source: USN-3842-1: CUPS vulnerability

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USN-3841-2: lxml vulnerability

2018-12-10 KENNETH 0

USN-3841-2: lxml vulnerability lxml vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 ESM Summary lxml could allow cross-site scripting (XSS) attacks. Software Description lxml – pythonic binding for the libxml2 and libxslt libraries Details USN-3841-1 fixed a vulnerability in lxml. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that lxml incorrectly handled certain HTML files. An attacker could possibly use this issue to conduct cross-site scripting (XSS) attacks. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM python-lxml – 2.3.2-1ubuntu0.3 python3-lxml – 2.3.2-1ubuntu0.3 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References USN-3841-1 CVE-2018-19787 Source: USN-3841-2: lxml vulnerability

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USN-3841-1: lxml vulnerability

2018-12-10 KENNETH 0

USN-3841-1: lxml vulnerability lxml vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary lxml could allow cross-site scripting (XSS) attacks. Software Description lxml – pythonic binding for the libxml2 and libxslt libraries Details It was discovered that lxml incorrectly handled certain HTML files. An attacker could possibly use this issue to conduct cross-site scripting (XSS) attacks. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS python-lxml – 4.2.1-1ubuntu0.1 python3-lxml – 4.2.1-1ubuntu0.1 Ubuntu 16.04 LTS python-lxml – 3.5.0-1ubuntu0.1 python3-lxml – 3.5.0-1ubuntu0.1 Ubuntu 14.04 LTS python-lxml – 3.3.3-1ubuntu0.2 python3-lxml – 3.3.3-1ubuntu0.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2018-19787 Source: USN-3841-1: lxml vulnerability

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USN-3831-2: Ghostscript regression

2018-12-07 KENNETH 0

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… ]

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USN-3840-1: OpenSSL vulnerabilities

2018-12-07 KENNETH 0

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… ]