ubuntu-usn

USN-5078-2: Squashfs-Tools vulnerabilities USN-5078-1 fixed several vulnerabilities in Squashfs-Tools. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Etienne Stalmans discovered that Squashfs-Tools mishandled certain malformed SQUASHFS files. An attacker could use this vulnerability to write arbitrary files to the filesystem. (CVE-2021-40153) Richard Weinberger discovered that Squashfs-Tools mishandled certain malformed SQUASHFS files. An attacker could use this vulnerability to write arbitrary files to the filesystem. (CVE-2021-41072) Source: USN-5078-2: Squashfs-Tools vulnerabilities

USN-5079-2: curl vulnerabilities USN-5079-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Patrick Monnerat discovered that curl incorrectly handled upgrades to TLS. When receiving certain responses from servers, curl would continue without TLS even when the option to require a successful upgrade to TLS was specified. (CVE-2021-22946) Patrick Monnerat discovered that curl incorrectly handled responses received before STARTTLS. A remote attacker could possibly use this issue to inject responses and intercept communications. (CVE-2021-22947) Source: USN-5079-2: curl vulnerabilities

USN-5079-1: curl vulnerabilities It was discovered that curl incorrect handled memory when sending data to an MQTT server. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-22945) Patrick Monnerat discovered that curl incorrectly handled upgrades to TLS. When receiving certain responses from servers, curl would continue without TLS even when the option to require a successful upgrade to TLS was specified. (CVE-2021-22946) Patrick Monnerat discovered that curl incorrectly handled responses received before STARTTLS. A remote attacker could possibly use this issue to inject responses and intercept communications. (CVE-2021-22947) Source: USN-5079-1: curl vulnerabilities

USN-5078-1: Squashfs-Tools vulnerability Richard Weinberger discovered that Squashfs-Tools mishandled certain malformed SQUASHFS files. An attacker could this this vulnerability to write arbitrary files to the filesystem. Source: USN-5078-1: Squashfs-Tools vulnerability

USN-5077-2: Apport vulnerabilities USN-5077-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Maik Münch and Stephen Röttger discovered that Apport incorrectly handled certain information gathering operations. A local attacker could use this issue to gain read access to arbitrary files, possibly containing sensitive information. Source: USN-5077-2: Apport vulnerabilities