[월:] 2020년 02월

USN-4267-1: ARM mbed TLS vulnerabilities mbedtls vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Summary Several security issues were fixed in mbedtls. Software Description mbedtls – lightweight crypto and SSL/TLS library – crypto library Details It was discovered that mbedtls has a bounds-check bypass through an integer overflow that can be used by an attacked to execute arbitrary code or cause a denial of service. (CVE-2017-18187) It was discovered that mbedtls has a vulnerability where an attacker could execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session. (CVE-2018-0487) It was discovered that mbedtls has a vulnerability where an attacker could execute arbitrary code or cause a denial of service (heap corruption) via a [ more… ]

USN-4266-1: GraphicsMagick vulnerabilities graphicsmagick vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Summary Several security issues were fixed in GraphicsMagick. Software Description graphicsmagick – collection of image processing tools Details It was discovered that GraphicsMagick incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS graphicsmagick – 1.3.23-1ubuntu0.6 libgraphicsmagick++-q16-12 – 1.3.23-1ubuntu0.6 libgraphicsmagick-q16-3 – 1.3.23-1ubuntu0.6 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-2017-17912 CVE-2017-17913 CVE-2017-17915 CVE-2017-18219 CVE-2017-18229 CVE-2017-18230 CVE-2017-18231 Source: USN-4266-1: GraphicsMagick vulnerabilities