| <?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="200704-18"> |
| <title>Courier-IMAP: Remote execution of arbitrary code</title> |
| <synopsis> |
| A vulnerability has been discovered in Courier-IMAP allowing for remote |
| code execution with root privileges. |
| </synopsis> |
| <product type="ebuild">courier-imap</product> |
| <announced>April 22, 2007</announced> |
| <revised>April 23, 2007: 02</revised> |
| <bug>168196</bug> |
| <access>remote</access> |
| <affected> |
| <package name="net-mail/courier-imap" auto="yes" arch="*"> |
| <unaffected range="ge">4.0.6-r2</unaffected> |
| <unaffected range="lt">4.0.0</unaffected> |
| <vulnerable range="lt">4.0.6-r2</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> |
| CJ Kucera has discovered that some Courier-IMAP scripts don't properly |
| handle the XMAILDIR variable, allowing for shell command injection. |
| </p> |
| </description> |
| <impact type="high"> |
| <p> |
| A remote attacker could send specially crafted login credentials to a |
| Courier-IMAP server instance, possibly leading to remote code execution |
| with root privileges. |
| </p> |
| </impact> |
| <workaround> |
| <p> |
| There is no known workaround at this time. |
| </p> |
| </workaround> |
| <resolution> |
| <p> |
| All Courier-IMAP users should upgrade to the latest version: |
| </p> |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=net-mail/courier-imap-4.0.6-r2"</code> |
| </resolution> |
| <references/> |
| <metadata tag="requester" timestamp="Thu, 12 Apr 2007 14:15:03 +0000"> |
| jaervosz |
| </metadata> |
| <metadata tag="bugReady" timestamp="Thu, 12 Apr 2007 14:15:17 +0000"> |
| jaervosz |
| </metadata> |
| <metadata tag="submitter" timestamp="Mon, 16 Apr 2007 21:50:11 +0000"> |
| p-y |
| </metadata> |
| </glsa> |