<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200710-23"> <title>Star: Directory traversal vulnerability</title> <synopsis> A directory traversal vulnerability has been discovered in Star. </synopsis> <product type="ebuild">star</product> <announced>2007-10-22</announced> <revised count="01">2007-10-22</revised> <bug>189690</bug> <access>remote</access> <affected> <package name="app-arch/star" auto="yes" arch="*"> <unaffected range="ge">1.5_alpha84</unaffected> <vulnerable range="lt">1.5_alpha84</vulnerable> </package> </affected> <background> <p> The Star program provides the ability to create and extract tar archives. </p> </background> <description> <p> Robert Buchholz of the Gentoo Security team discovered a directory traversal vulnerability in the has_dotdot() function which does not identify //.. (slash slash dot dot) sequences in file names inside tar files. </p> </description> <impact type="low"> <p> By enticing a user to extract a specially crafted tar archive, a remote attacker could extract files to arbitrary locations outside of the specified directory with the permissions of the user running Star. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All Star users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/star-1.5_alpha84"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4134">CVE-2007-4134</uri> </references> <metadata tag="requester" timestamp="2007-10-11T21:17:08Z"> aetius </metadata> <metadata tag="submitter" timestamp="2007-10-15T01:04:21Z"> rbu </metadata> <metadata tag="bugReady" timestamp="2007-10-15T17:56:09Z"> rbu </metadata> </glsa>