USN-4994-2: Apache HTTP Server vulnerabilities<\/p>\n
USN-4994-1 fixed several vulnerabilities in Apache. This update provides
\nthe corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.<\/p>\n
Original advisory details:<\/p>\n
Antonio Morales discovered that the Apache mod_auth_digest module
\n incorrectly handled certain Digest nonces. A remote attacker could possibly
\n use this issue to cause Apache to crash, resulting in a denial of service.
\n (CVE-2020-35452)<\/p>\n
Antonio Morales discovered that the Apache mod_session module incorrectly
\n handled certain Cookie headers. A remote attacker could possibly use this
\n issue to cause Apache to crash, resulting in a denial of service.
\n (CVE-2021-26690)<\/p>\n
Christophe Jaillet discovered that the Apache mod_session module
\n incorrectly handled certain SessionHeader values. A remote attacker could
\n use this issue to cause Apache to crash, resulting in a denial of service,
\n or possibly execute arbitrary code. (CVE-2021-26691)<\/p>\n
Christoph Anton Mitterer discovered that the new MergeSlashes configuration USN-4994-2: Apache HTTP Server vulnerabilities USN-4994-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Antonio Morales discovered that the Apache mod_auth_digest module incorrectly handled certain Digest nonces. A remote attacker could possibly use this issue to cause Apache to crash, resulting in a denial of service. (CVE-2020-35452) Antonio Morales discovered that the Apache mod_session module incorrectly handled certain Cookie headers. A remote attacker could possibly use this issue to cause Apache to crash, resulting in a denial of service. (CVE-2021-26690) Christophe Jaillet discovered that the Apache mod_session module incorrectly handled certain SessionHeader values. A remote attacker could use this issue to cause Apache to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-26691) Christoph Anton Mitterer discovered that the new MergeSlashes configuration [ more… ]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[586],"tags":[587],"class_list":["post-42143","post","type-post","status-publish","format-standard","hentry","category-ubuntu-usn","tag-ubuntu-usn"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/42143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/comments?post=42143"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/42143\/revisions"}],"predecessor-version":[{"id":42144,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/42143\/revisions\/42144"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=42143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=42143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=42143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n option resulted in unexpected behaviour in certain situations.
\n (CVE-2021-30641)
\nSource: USN-4994-2: Apache HTTP Server vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"