USN-5333-2

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USN-5333-2

Summary: apache2 vulnerabilities

Details: USN-5333-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: 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 to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-23943)

References: https://ubuntu.com/security/notices/USN-5333-2, https://ubuntu.com/security/CVE-2022-22719, https://ubuntu.com/security/CVE-2022-22720, https://ubuntu.com/security/CVE-2022-22721, https://ubuntu.com/security/CVE-2022-23943