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diff --git a/metadata/glsa/glsa-200403-04.xml b/metadata/glsa/glsa-200403-04.xml new file mode 100644 index 000000000000..e39329486ca0 --- /dev/null +++ b/metadata/glsa/glsa-200403-04.xml @@ -0,0 +1,110 @@ +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="200403-04"> + <title>Multiple security vulnerabilities in Apache 2</title> + <synopsis> + A memory leak in mod_ssl allows a remote denial of service attack against + an SSL-enabled server via plain HTTP requests. Another flaw was found when + arbitrary client-supplied strings can be written to the error log, allowing + the exploit of certain terminal emulators. A third flaw exists with the + mod_disk_cache module. + </synopsis> + <product type="ebuild">Apache</product> + <announced>2004-03-22</announced> + <revised count="03">2007-12-30</revised> + <bug>45206</bug> + <access>remote</access> + <affected> + <package name="www-servers/apache" auto="yes" arch="*"> + <unaffected range="eq">1.3*</unaffected> + <unaffected range="ge">2.0.49</unaffected> + <vulnerable range="le">2.0.48</vulnerable> + </package> + </affected> + <background> + <p> + The Apache HTTP Server Project is an effort to develop and maintain an + open-source HTTP server for modern operating systems. The goal of this + project is to provide a secure, efficient and extensible server that + provides services in tune with the current HTTP standards. + </p> + </background> + <description> + <p> + Three vulnerabilities were found: + </p> + <ol> + <li> + A memory leak in ssl_engine_io.c for mod_ssl in Apache 2.0.48 and below + allows remote attackers to cause a denial of service attack via plain + HTTP requests to the SSL port of an SSL-enabled server. + </li> + <li> + Apache fails to filter terminal escape sequences from error logs that + begin with the ASCII (0x1B) sequence and are followed by a series of + arguments. If a remote attacker could inject escape sequences into an + Apache error log, the attacker could take advantages of weaknesses in + various terminal emulators, launching attacks against remote users + including further denial of service attacks, file modification, and the + execution of arbitrary commands. + </li> + <li> + The Apache mod_disk_cache has been found to be vulnerable to a weakness + that allows attackers to gain access to authentication credentials + through the issue of caching HTTP hop-by-hop headers which would + contain plaintext user passwords. There is no available resolution for + this issue yet. + </li> + </ol> + </description> + <impact type="normal"> + <p> + No special privileges are required for these vulnerabilities. As a + result, all users are recommended to upgrade their Apache + installations. + </p> + </impact> + <workaround> + <p> + There is no immediate workaround; a software upgrade is required. There + is no workaround for the mod_disk_cache issue; users are recommended to + disable the feature on their servers until a patched version is + released. + </p> + </workaround> + <resolution> + <p> + Users are urged to upgrade to Apache 2.0.49: + </p> + <code> + # emerge sync + # emerge -pv ">=www-servers/apache-2.0.49" + # emerge ">=www-servers/apache-2.0.49" + + # ** IMPORTANT ** + + # If you are migrating from Apache 2.0.48-r1 or earlier versions, + # it is important that the following directories are removed. + + # The following commands should cause no data loss since these + # are symbolic links. + + # rm /etc/apache2/lib /etc/apache2/logs /etc/apache2/modules + # rm /etc/apache2/modules + + # ** ** ** ** ** + + # ** ALSO NOTE ** + + # Users who use mod_disk_cache should edit their Apache + # configuration and disable mod_disk_cache.</code> + </resolution> + <references> + <uri link="http://www.securityfocus.com/bid/9933/info/">Apache mod_disk_cache authentication storage weakness vulnerability</uri> + <uri link="https://www.apache.org/dist/httpd/Announcement2.html">Apache HTTP Server 2.0.49 Announcement</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0113">CVE-2004-0113</uri> + </references> + <metadata tag="submitter" timestamp="2006-05-22T05:52:59Z"> + DerCorny + </metadata> +</glsa> |