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[security-announce] openSUSE-SU-2019:1190-1: important: Security update for apache2
openSUSE Security Update: Security update for apache2

Announcement ID: openSUSE-SU-2019:1190-1
Rating: important
References: #1131233 #1131237 #1131239 #1131241 #1131245

Cross-References: CVE-2019-0196 CVE-2019-0197 CVE-2019-0211
CVE-2019-0217 CVE-2019-0220
Affected Products:
openSUSE Leap 42.3

An update that fixes 5 vulnerabilities is now available.


This update for apache2 fixes the following issues:

* CVE-2019-0220: The Apache HTTP server did not use a consistent strategy
for URL normalization throughout all of its components. In particular,
consecutive slashes were not always collapsed. Attackers could
potentially abuse these inconsistencies to by-pass access control
mechanisms and thus gain unauthorized access to protected parts of the
service. [bsc#1131241]
* CVE-2019-0217: A race condition in Apache's "mod_auth_digest" when
running in a threaded server could have allowed users with valid
credentials to authenticate using another username, bypassing configured
access control restrictions. [bsc#1131239]
* CVE-2019-0211: A flaw in the Apache HTTP Server allowed less-privileged
child processes or threads to execute arbitrary code with the privileges
of the parent process. Attackers with control over CGI scripts or
extension modules run by the server could have abused this issue to
potentially gain super user privileges. [bsc#1131233]
* CVE-2019-0197: When HTTP/2 support was enabled in the Apache server for
a 'http' host or H2Upgrade was enabled for h2 on a 'https' host, an
Upgrade request from http/1.1 to http/2 that was not the first request
on a connection could lead to a misconfiguration and crash. This issue
could have been abused to mount a denial-of-service attack. Servers that
never enabled the h2 protocol or that only enabled it for https: and did
not configure the "H2Upgrade on" are unaffected. [bsc#1131245]
* CVE-2019-0196: Through specially crafted network input the Apache's
http/2 request handler could be lead to access previously freed memory
while determining the method of a request. This resulted in the request
being misclassified and thus being processed incorrectly. [bsc#1131237]

This update was imported from the SUSE:SLE-12-SP2:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended
installation methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 42.3:

zypper in -t patch openSUSE-2019-1190=1

Package List:

- openSUSE Leap 42.3 (i586 x86_64):


- openSUSE Leap 42.3 (noarch):



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