[월:] 2020년 12월

USN-4665-2: curl vulnerabilities USN-4665-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Varnavas Papaioannou discovered that curl incorrectly handled FTP PASV responses. An attacker could possibly use this issue to trick curl into connecting to an arbitrary IP address and be used to perform port scanner and other information gathering. (CVE-2020-8284) It was discovered that curl incorrectly handled FTP wildcard matchins. A remote attacker could possibly use this issue to cause curl to consume resources and crash, resulting in a denial of service. (CVE-2020-8285) Source: USN-4665-2: curl vulnerabilities

USN-4668-1: python-apt vulnerability Kevin Backhouse discovered that python-apt incorrectly handled resources. A local attacker could possibly use this issue to cause python-apt to consume resources, leading to a denial of service. Source: USN-4668-1: python-apt vulnerability

USN-4667-1: APT vulnerability Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to crash or stop responding, resulting in a denial of service. Source: USN-4667-1: APT vulnerability

USN-4666-1: lxml vulnerability It was discovered that lxml incorrectly handled certain HTML. An attacker could possibly use this issue to cross-site scripting (XSS) attacks. Source: USN-4666-1: lxml vulnerability