USN-3627-2

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USN-3627-2

Summary: apache2 vulnerabilities

Details: USN-3627-1 fixed vulnerabilities in Apache HTTP Server. This update provides the corresponding updates for Ubuntu 18.04 LTS. Original advisory details: Alex Nichols and Jakob Hirsch discovered that the Apache HTTP Server mod_authnz_ldap module incorrectly handled missing charset encoding headers. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. (CVE-2017-15710) Elar Lang discovered that the Apache HTTP Server incorrectly handled certain characters specified in <FilesMatch>. A remote attacker could possibly use this issue to upload certain files, contrary to expectations. (CVE-2017-15715) It was discovered that the Apache HTTP Server mod_session module incorrectly handled certain headers. A remote attacker could possibly use this issue to influence session data. (CVE-2018-1283) Robert Swiecki discovered that the Apache HTTP Server incorrectly handled certain requests. A remote attacker could possibly use this issue to cause the server to crash, leading to a denial of service. (CVE-2018-1301) Robert Swiecki discovered that the Apache HTTP Server mod_cache_socache module incorrectly handled certain headers. A remote attacker could possibly use this issue to cause the server to crash, leading to a denial of service. (CVE-2018-1303) Nicolas Daniels discovered that the Apache HTTP Server incorrectly generated the nonce when creating HTTP Digest authentication challenges. A remote attacker could possibly use this issue to replay HTTP requests across a cluster of servers. (CVE-2018-1312)

References: https://ubuntu.com/security/notices/USN-3627-2, https://ubuntu.com/security/CVE-2017-15710, https://ubuntu.com/security/CVE-2017-15715, https://ubuntu.com/security/CVE-2018-1283, https://ubuntu.com/security/CVE-2018-1301, https://ubuntu.com/security/CVE-2018-1303, https://ubuntu.com/security/CVE-2018-1312