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Bug 53865 - apache2: Multiple issues (4.4)
apache2: Multiple issues (4.4)
Status: CLOSED FIXED
Product: UCS
Classification: Unclassified
Component: Security updates
UCS 4.4
All Linux
: P3 normal (vote)
: UCS 4.4-8-errata
Assigned To: Quality Assurance
Erik Damrose
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2021-10-04 09:21 CEST by Quality Assurance
Modified: 2021-10-06 17:05 CEST (History)
0 users

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What kind of report is it?: Security Issue
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Max CVSS v3 score: 9.0 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)

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Description Quality Assurance univentionstaff 2021-10-04 09:21:22 CEST 
New Debian apache2 2.4.25-3+deb9u11A~4.4.8.202110040913 fixes:
This update addresses the following issues:
* NULL pointer dereference via malformed requests (CVE-2021-34798)
* out-of-bounds write in ap_escape_quotes() via malicious input  (CVE-2021-39275)
* mod_proxy: SSRF via a crafted request uri-path containing "unix:"  (CVE-2021-40438)
Comment 1 Quality Assurance univentionstaff 2021-10-04 10:00:25 CEST 
--- mirror/ftp/4.4/unmaintained/component/4.4-8-errata/source/apache2_2.4.25-3+deb9u10A~4.4.8.202107120934.dsc
+++ apt/ucs_4.4-0-errata4.4-8/source/apache2_2.4.25-3+deb9u11A~4.4.8.202110040913.dsc
@@ -1,9 +1,20 @@
-2.4.25-3+deb9u10A~4.4.8.202107120934 [Mon, 12 Jul 2021 09:42:18 +0200] Univention builddaemon <buildd@univention.de>:
+2.4.25-3+deb9u11A~4.4.8.202110040913 [Mon, 04 Oct 2021 09:22:08 +0200] Univention builddaemon <buildd@univention.de>:
 
   * UCS auto build. The following patches have been applied to the original source package
     05-autostart-setting
     10-apache2-reload
     20-no-proxy
+
+2.4.25-3+deb9u11 [Sat, 02 Oct 2021 15:27:55 +0200] Sylvain Beucler <beuc@debian.org>:
+  
+  * Non-maintainer upload by the LTS Security Team.
+  * CVE-2021-34798: malformed requests may cause the server to dereference
+    a NULL pointer.
+  * CVE-2021-39275: ap_escape_quotes() may write beyond the end of a
+    buffer when given malicious input. No included modules pass untrusted
+    data to these functions, but third-party / external modules may.
+  * CVE-2021-40438: a crafted request uri-path can cause mod_proxy to
+    forward the request to an origin server choosen by the remote user.
 
 2.4.25-3+deb9u10 [Fri, 09 Jul 2021 10:12:34 +0200] Emilio Pozuelo Monfort <pochu@debian.org>:
 

<http://piuparts.knut.univention.de/4.4-8/#6919747816611873319>
Comment 2 Erik Damrose univentionstaff 2021-10-05 12:28:03 CEST 
OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[4.4-8] 28f5d22dfb Bug #53865: apache2 2.4.25-3+deb9u11A~4.4.8.202110040913
 doc/errata/staging/apache2.yaml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
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