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USN-4109-1: OpenJPEG vulnerabilities

2019-08-22 KENNETH 0

USN-4109-1: OpenJPEG vulnerabilities openjpeg2 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Summary Several security issues were fixed in OpenJPEG. Software Description openjpeg2 – JPEG 2000 image compression/decompression library Details It was discovered that OpenJPEG incorrectly handled certain PGX files. An attacker could possibly use this issue to cause a denial of service or possibly remote code execution. (CVE-2017-17480) It was discovered that OpenJPEG incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14423) It was discovered that OpenJPEG incorrectly handled certain PNM files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-18088) It was discovered that OpenJPEG incorrectly handled certain BMP files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-5785, CVE-2018-6616) Update instructions [ more… ]

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USN-4108-1: Zstandard vulnerability

2019-08-21 KENNETH 0

USN-4108-1: Zstandard vulnerability libzstd vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Summary Zstandard could be made to execute arbitrary code if it received specially crafted input. Software Description libzstd – fast lossless compression algorithm – development files Details It was discovered that Zstandard incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS libzstd1 – 1.3.3+dfsg-2ubuntu1.1 zstd – 1.3.3+dfsg-2ubuntu1.1 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-2019-11922 Source: USN-4108-1: Zstandard vulnerability

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USN-4107-1: GIFLIB vulnerabilities

2019-08-21 KENNETH 0

USN-4107-1: GIFLIB vulnerabilities giflib vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Several security issues were fixed in GIFLIB. Software Description giflib – library for GIF images (utilities) Details It was discovered that GIFLIB incorrectly handled certain GIF files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2016-3977) It was discovered that GIFLIB incorrectly handled certain GIF files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-11490, CVE-2019-15133) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 giflib-tools – 5.1.4-3ubuntu0.1 libgif7 – 5.1.4-3ubuntu0.1 Ubuntu 18.04 LTS giflib-tools – 5.1.4-2ubuntu0.1 libgif7 – 5.1.4-2ubuntu0.1 Ubuntu 16.04 LTS giflib-tools – 5.1.4-0.3~16.04.1 libgif7 – 5.1.4-0.3~16.04.1 [ more… ]

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USN-4106-1: NLTK vulnerability

2019-08-20 KENNETH 0

USN-4106-1: NLTK vulnerability NLTK vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary NLTK could be made to overwrite files. Software Description nltk – Python libraries for natural language processing Details Mike Salvatore discovered that NLTK mishandled crafted ZIP archives during extraction. A remote attacker could use this vulnerability to write arbitrary files to the filesystem Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 python-nltk – 3.4-1ubuntu0.1 python3-nltk – 3.4-1ubuntu0.1 Ubuntu 18.04 LTS python-nltk – 3.2.5-1ubuntu0.1 python3-nltk – 3.2.5-1ubuntu0.1 Ubuntu 16.04 LTS python-nltk – 3.1-1ubuntu0.1 python3-nltk – 3.1-1ubuntu0.1 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-2019-14751 Source: USN-4106-1: NLTK vulnerability

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USN-4105-1: CUPS vulnerabilities

2019-08-20 KENNETH 0

USN-4105-1: CUPS vulnerabilities cups vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Several security issues were fixed in CUPS. Software Description cups – Common UNIX Printing System™ Details Stephan Zeisberg discovered that the CUPS SNMP backend incorrectly handled encoded ASN.1 inputs. A remote attacker could possibly use this issue to cause CUPS to crash by providing specially crafted network traffic. (CVE-2019-8696, CVE-2019-8675) It was discovered that CUPS did not properly handle client disconnection events. A local attacker could possibly use this issue to cause a denial of service or disclose memory from the CUPS server. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 cups – 2.2.10-4ubuntu2.1 Ubuntu 18.04 LTS cups – 2.2.7-1ubuntu2.7 Ubuntu 16.04 LTS cups – 2.1.3-4ubuntu0.10 To [ more… ]