Package "apache2-data"

  apache2 (2.4.29-1ubuntu4.21) bionic-security; urgency=medium

  * SECURITY UPDATE: DoS or SSRF via forward proxy
    - debian/patches/CVE-2021-44224-1.patch: enforce that fully qualified
      uri-paths not to be forward-proxied have an http(s) scheme, and that
      the ones to be forward proxied have a hostname in
      include/http_protocol.h, modules/http/http_request.c,
      modules/http2/h2_request.c, modules/proxy/mod_proxy.c,
      modules/proxy/proxy_util.c, server/protocol.c.
    - debian/patches/CVE-2021-44224-2.patch: don't prevent forwarding URIs
      w/ no hostname in modules/proxy/mod_proxy.c,
      modules/proxy/proxy_util.c.
    - CVE-2021-44224
  * SECURITY UPDATE: overflow in mod_lua multipart parser
    - debian/patches/CVE-2021-44790.patch: improve error handling in
      modules/lua/lua_request.c.
    - CVE-2021-44790

 -- Marc Deslauriers <email address hidden> Wed, 05 Jan 2022 09:50:41 -0500

  apache2 (2.4.29-1ubuntu4.18) bionic-security; urgency=medium

  * SECURITY REGRESSION: Issues in UDS URIs (LP: #1945311)
    - debian/patches/CVE-2021-40438-2.patch: Fix UDS unix: scheme for P
      rules in modules/mappers/mod_rewrite.c.
    - debian/patches/CVE-2021-40438-3.patch: Handle UDS URIs with empty
      hostname in modules/mappers/mod_rewrite.c,
      modules/proxy/proxy_util.c.

 -- Marc Deslauriers <email address hidden> Tue, 28 Sep 2021 07:01:16 -0400

  apache2 (2.4.29-1ubuntu4.17) bionic-security; urgency=medium

  * SECURITY UPDATE: request splitting over HTTP/2
    - debian/patches/CVE-2021-33193-pre1.patch: process early errors via a
      dummy HTTP/1.1 request as well in modules/http2/h2.h,
      modules/http2/h2_request.c, modules/http2/h2_session.c,
      modules/http2/h2_stream.c.
    - debian/patches/CVE-2021-33193-pre2.patch: sync with github standalone
      version 1.15.17 in modules/http2/h2_bucket_beam.c,
      modules/http2/h2_config.c, modules/http2/h2_config.h,
      modules/http2/h2_h2.c, modules/http2/h2_headers.c,
      modules/http2/h2_headers.h, modules/http2/h2_mplx.c,
      modules/http2/h2_request.c, modules/http2/h2_stream.h,
      modules/http2/h2_task.c, modules/http2/h2_task.h,
      modules/http2/h2_version.h.
    - debian/patches/CVE-2021-33193.patch: refactor request parsing in
      include/ap_mmn.h, include/http_core.h, include/http_protocol.h,
      include/http_vhost.h, modules/http2/h2_request.c, server/core.c,
      server/core_filters.c, server/protocol.c, server/vhost.c.
    - CVE-2021-33193
  * SECURITY UPDATE: NULL deref via malformed requests
    - debian/patches/CVE-2021-34798.patch: add NULL check in
      server/scoreboard.c.
    - CVE-2021-34798
  * SECURITY UPDATE: buffer overflow in ap_escape_quotes
    - debian/patches/CVE-2021-39275.patch: fix ap_escape_quotes
      substitution logic in server/util.c.
    - CVE-2021-39275
  * SECURITY UPDATE: arbitrary origin server via crafted request uri-path
    - debian/patches/CVE-2021-40438-pre1.patch: faster unix socket path
      parsing in the "proxy:" URL in modules/proxy/mod_proxy.c,
      modules/proxy/proxy_util.c.
    - debian/patches/CVE-2021-40438.patch: add sanity checks on the
      configured UDS path in modules/proxy/proxy_util.c.
    - CVE-2021-40438

 -- Marc Deslauriers <email address hidden> Thu, 23 Sep 2021 13:01:10 -0400

  apache2 (2.4.29-1ubuntu4.16) bionic-security; urgency=medium

  * SECURITY UPDATE: stack overflow via Digest nonce in mod_auth_digest
    - debian/patches/CVE-2020-35452.patch: fast validation of the nonce's
      base64 to fail early if the format can't match anyway in
      modules/aaa/mod_auth_digest.c.
    - CVE-2020-35452
  * SECURITY UPDATE: DoS via cookie header in mod_session
    - debian/patches/CVE-2021-26690.patch: save one apr_strtok() in
      session_identity_decode() in modules/session/mod_session.c.
    - CVE-2021-26690
  * SECURITY UPDATE: heap overflow via SessionHeader
    - debian/patches/CVE-2021-26691.patch: account for the '&' in
      identity_concat() in modules/session/mod_session.c.
    - CVE-2021-26691
  * SECURITY UPDATE: Unexpected matching behavior with 'MergeSlashes OFF'
    - debian/patches/CVE-2021-30641.patch: change default behavior in
      server/request.c.
    - CVE-2021-30641
  * This update does _not_ include the changes from 2.4.29-1ubuntu4.15 in
    bionic-proposed.

 -- Marc Deslauriers <email address hidden> Fri, 18 Jun 2021 07:06:22 -0400

  apache2 (2.4.29-1ubuntu4.14) bionic-security; urgency=medium

  * SECURITY UPDATE: mod_rewrite redirect issue
    - debian/patches/CVE-2020-1927-1.patch: factor out default regex flags
      in include/ap_regex.h, server/core.c, server/util_pcre.c.
    - debian/patches/CVE-2020-1927-2.patch: add AP_REG_NO_DEFAULT to allow
      opt-out of pcre defaults in include/ap_regex.h,
      modules/filters/mod_substitute.c, server/util_pcre.c,
      server/util_regex.c.
    - CVE-2020-1927
  * SECURITY UPDATE: mod_proxy_ftp uninitialized memory issue
    - debian/patches/CVE-2020-1934.patch: trap bad FTP responses in
      modules/proxy/mod_proxy_ftp.c.
    - CVE-2020-1934
  * SECURITY UPDATE: DoS via invalid Cache-Digest header
    - debian/patches/CVE-2020-9490.patch: remove support for abandoned
      http-wg draft in modules/http2/h2_push.c, modules/http2/h2_push.h.
    - CVE-2020-9490
  * SECURITY UPDATE: concurrent use of memory pools in HTTP/2 module
    - debian/patches/CVE-2020-11993-pre1.patch: fixed rare cases where a h2
      worker could deadlock the main connection in modules/http2/*.
    - debian/patches/CVE-2020-11993.patch: fix logging and rename
      terminology in modules/http2/*.
    - CVE-2020-11993

 -- Marc Deslauriers <email address hidden> Wed, 12 Aug 2020 17:33:25 -0400