Ubuntu security

USN-5334-1: man-db vulnerability It was discovered that man-db incorrectly handled permission changing operations in its daily cron job, and was therefore affected by a race condition. An attacker could possibly use this issue to escalate privileges and execute arbitrary code. Source: USN-5334-1: man-db vulnerability

USN-5333-1: Apache HTTP Server vulnerabilities Chamal De Silva discovered that the Apache HTTP Server mod_lua module incorrectly handled certain crafted request bodies. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. (CVE-2022-22719) James Kettle discovered that the Apache HTTP Server incorrectly closed inbound connection when certain errors are encountered. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. (CVE-2022-22720) It was discovered that the Apache HTTP Server incorrectly handled large LimitXMLRequestBody settings on certain platforms. In certain configurations, a remote attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-22721) Ronald Crane discovered that the Apache HTTP Server mod_sed module incorrectly handled memory. A remote attacker could use this issue [ more… ]

USN-5332-1: Bind vulnerabilities Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind incorrectly handled certain bogus NS records when using forwarders. A remote attacker could possibly use this issue to manipulate cache results. (CVE-2021-25220) It was discovered that Bind incorrectly handled certain crafted TCP streams. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. This issue only affected Ubuntu 21.10. (CVE-2022-0396) Source: USN-5332-1: Bind vulnerabilities

USN-5331-1: tcpdump vulnerabilities It was discovered that tcpdump incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2018-16301) It was discovered that tcpdump incorrectly handled certain captured data. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-8037) Source: USN-5331-1: tcpdump vulnerabilities

USN-5328-2: OpenSSL vulnerability USN-5328-1 fixed a vulnerability in OpenSSL. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Tavis Ormandy discovered that OpenSSL incorrectly parsed certain certificates. A remote attacker could possibly use this issue to cause OpenSSH to stop responding, resulting in a denial of service. Source: USN-5328-2: OpenSSL vulnerability