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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200909-01.xml')
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diff --git a/xml/htdocs/security/en/glsa/glsa-200909-01.xml b/xml/htdocs/security/en/glsa/glsa-200909-01.xml new file mode 100644 index 00000000..59738f2a --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200909-01.xml @@ -0,0 +1,71 @@ +<?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="200909-01"> + <title>Linux-PAM: Privilege escalation</title> + <synopsis> + An error in the handling of user names of Linux-PAM might allow remote + attackers to cause a Denial of Service or escalate privileges. + </synopsis> + <product type="ebuild">pam</product> + <announced>September 07, 2009</announced> + <revised>September 07, 2009: 01</revised> + <bug>261512</bug> + <access>remote</access> + <affected> + <package name="sys-libs/pam" auto="yes" arch="*"> + <unaffected range="ge">1.0.4</unaffected> + <vulnerable range="lt">1.0.4</vulnerable> + </package> + </affected> + <background> + <p> + Linux-PAM (Pluggable Authentication Modules) is an architecture + allowing the separation of the development of privilege granting + software from the development of secure and appropriate authentication + schemes. + </p> + </background> + <description> + <p> + Marcus Granado repoted that Linux-PAM does not properly handle user + names that contain Unicode characters. This is related to integer + signedness errors in the pam_StrTok() function in libpam/pam_misc.c. + </p> + </description> + <impact type="normal"> + <p> + A remote attacker could exploit this vulnerability to cause a Denial of + Service. A remote authenticated attacker could exploit this + vulnerability to log in to a system with the account of a user that has + a similar user name, but with non-ASCII characters. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All Linux-PAM users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=sys-libs/pam-1.0.4"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0887">CVE-2009-0887</uri> + </references> + <metadata tag="requester" timestamp="Fri, 10 Jul 2009 18:01:34 +0000"> + craig + </metadata> + <metadata tag="submitter" timestamp="Fri, 28 Aug 2009 16:33:27 +0000"> + a3li + </metadata> + <metadata tag="bugReady" timestamp="Mon, 31 Aug 2009 03:38:46 +0000"> + a3li + </metadata> +</glsa> |