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diff --git a/glsa-200408-19.xml b/glsa-200408-19.xml new file mode 100644 index 00000000..7f19d2ec --- /dev/null +++ b/glsa-200408-19.xml @@ -0,0 +1,73 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200408-19"> + <title>courier-imap: Remote Format String Vulnerability</title> + <synopsis> + There is a format string vulnerability in non-standard configurations of + courier-imapd which may be exploited remotely. An attacker may be able to + execute arbitrary code as the user running courier-imapd (oftentimes root). + </synopsis> + <product type="ebuild">courier-imap</product> + <announced>August 19, 2004</announced> + <revised>May 22, 2006: 02</revised> + <bug>60865</bug> + <access>remote</access> + <affected> + <package name="net-mail/courier-imap" auto="yes" arch="*"> + <unaffected range="ge">3.0.5</unaffected> + <vulnerable range="le">3.0.2-r1</vulnerable> + </package> + </affected> + <background> + <p> + Courier-IMAP is an IMAP server which is part of the Courier mail + system. It provides access only to maildirs. + </p> + </background> + <description> + <p> + There is a format string vulnerability in the auth_debug() function + which can be exploited remotely, potentially leading to arbitrary code + execution as the user running the IMAP daemon (oftentimes root). A + remote attacker may send username or password information containing + printf() format tokens (such as "%s"), which will crash the server or + cause it to execute arbitrary code. + </p> + <p> + This vulnerability can only be exploited if DEBUG_LOGIN is set to + something other than 0 in the imapd config file. + </p> + </description> + <impact type="high"> + <p> + If DEBUG_LOGIN is enabled in the imapd configuration, a remote attacker + may execute arbitrary code as the root user. + </p> + </impact> + <workaround> + <p> + Set the DEBUG_LOGIN option in /etc/courier-imap/imapd to 0. (This is + the default value.) + </p> + </workaround> + <resolution> + <p> + All courier-imap users should upgrade to the latest version: + </p> + <code> + # emerge sync + + # emerge -pv ">=net-mail/courier-imap-3.0.5" + # emerge ">=net-mail/courier-imap-3.0.5"</code> + </resolution> + <references> + <uri link="http://www.idefense.com/application/poi/display?id=131&type=vulnerabilities&flashstatus=true">iDEFENSE Advisory</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0777">CVE-2004-0777</uri> + </references> + <metadata tag="submitter" timestamp="Thu, 19 Aug 2004 18:47:27 +0000"> + condordes + </metadata> +</glsa> |