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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200804-03.xml')
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diff --git a/xml/htdocs/security/en/glsa/glsa-200804-03.xml b/xml/htdocs/security/en/glsa/glsa-200804-03.xml new file mode 100644 index 00000000..791430c0 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200804-03.xml @@ -0,0 +1,81 @@ +<?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="200804-03"> + <title>OpenSSH: Privilege escalation</title> + <synopsis> + Two flaws have been discovered in OpenSSH which could allow local attackers + to escalate their privileges. + </synopsis> + <product type="ebuild">openssh</product> + <announced>April 05, 2008</announced> + <revised>April 05, 2008: 01</revised> + <bug>214985</bug> + <bug>215702</bug> + <access>local</access> + <affected> + <package name="net-misc/openssh" auto="yes" arch="*"> + <unaffected range="ge">4.7_p1-r6</unaffected> + <vulnerable range="lt">4.7_p1-r6</vulnerable> + </package> + </affected> + <background> + <p> + OpenSSH is a complete SSH protocol implementation that includes an SFTP + client and server support. + </p> + </background> + <description> + <p> + Two issues have been discovered in OpenSSH: + </p> + <ul> + <li>Timo Juhani + Lindfors discovered that OpenSSH sets the DISPLAY variable in SSH + sessions using X11 forwarding even when it cannot bind the X11 server + to a local port in all address families (CVE-2008-1483).</li> + <li>OpenSSH will execute the contents of the ".ssh/rc" file even when + the "ForceCommand" directive is enabled in the global sshd_config + (CVE-2008-1657).</li> + </ul> + </description> + <impact type="normal"> + <p> + A local attacker could exploit the first vulnerability to hijack + forwarded X11 sessions of other users and possibly execute code with + their privileges, disclose sensitive data or cause a Denial of Service, + by binding a local X11 server to a port using only one address family. + The second vulnerability might allow local attackers to bypass intended + security restrictions and execute commands other than those specified + by "ForceCommand" if they are able to write to their home directory. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All OpenSSH users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-misc/openssh-4.7_p1-r6"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1483">CVE-2008-1483</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1657">CVE-2008-1657</uri> + </references> + <metadata tag="requester" timestamp="Mon, 31 Mar 2008 15:53:04 +0000"> + rbu + </metadata> + <metadata tag="submitter" timestamp="Thu, 03 Apr 2008 21:55:34 +0000"> + rbu + </metadata> + <metadata tag="bugReady" timestamp="Thu, 03 Apr 2008 22:39:55 +0000"> + rbu + </metadata> +</glsa> |