| <?xml version="1.0" encoding="utf-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| |
| <glsa id="200804-06"> |
| <title>UnZip: User-assisted execution of arbitrary code</title> |
| <synopsis> |
| A double free vulnerability discovered in UnZip might lead to the execution |
| of arbitrary code. |
| </synopsis> |
| <product type="ebuild">unzip</product> |
| <announced>April 06, 2008</announced> |
| <revised>April 06, 2008: 01</revised> |
| <bug>213761</bug> |
| <access>remote</access> |
| <affected> |
| <package name="app-arch/unzip" auto="yes" arch="*"> |
| <unaffected range="ge">5.52-r2</unaffected> |
| <vulnerable range="lt">5.52-r2</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p> |
| Info-ZIP's UnZip is a tool to list and extract files inside PKZIP |
| compressed files. |
| </p> |
| </background> |
| <description> |
| <p> |
| Tavis Ormandy of the Google Security Team discovered that the NEEDBITS |
| macro in the inflate_dynamic() function in the file inflate.c can be |
| invoked using invalid buffers, which can lead to a double free. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p> |
| Remote attackers could entice a user or automated system to open a |
| specially crafted ZIP file that might lead to the execution of |
| arbitrary code or a Denial of Service. |
| </p> |
| </impact> |
| <workaround> |
| <p> |
| There is no known workaround at this time. |
| </p> |
| </workaround> |
| <resolution> |
| <p> |
| All UnZip users should upgrade to the latest version: |
| </p> |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=app-arch/unzip-5.52-r2"</code> |
| </resolution> |
| <references> |
| <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0888">CVE-2008-0888</uri> |
| </references> |
| <metadata tag="requester" timestamp="Sat, 29 Mar 2008 19:46:56 +0000"> |
| rbu |
| </metadata> |
| <metadata tag="submitter" timestamp="Thu, 03 Apr 2008 22:38:54 +0000"> |
| rbu |
| </metadata> |
| <metadata tag="bugReady" timestamp="Thu, 03 Apr 2008 22:39:11 +0000"> |
| rbu |
| </metadata> |
| </glsa> |