| <?xml version="1.0" encoding="UTF-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| <glsa id="201607-08"> |
| <title>Dropbear: Privilege escalation</title> |
| <synopsis>A vulnerability has been found in Dropbear, which allows remote |
| authenticated users to bypass intended shell-command restrictions. |
| </synopsis> |
| <product type="ebuild"></product> |
| <announced>July 20, 2016</announced> |
| <revised>July 20, 2016: 1</revised> |
| <bug>577050</bug> |
| <access>remote</access> |
| <affected> |
| <package name="net-misc/dropbear" auto="yes" arch="*"> |
| <unaffected range="ge">2016.73</unaffected> |
| <vulnerable range="lt">2016.73</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p>Dropbear is a relatively small SSH server and client.</p> |
| </background> |
| <description> |
| <p>A CRLF injection vulnerability in Dropbear SSH allows remote |
| authenticated users to bypass intended shell-command restrictions via |
| crafted X11 forwarding data. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p>A remote authenticated user could execute arbitrary code with the |
| privileges of the process. |
| </p> |
| </impact> |
| <workaround> |
| <p>There is no known workaround at this time.</p> |
| </workaround> |
| <resolution> |
| <p>All Dropbear users should upgrade to the latest version:</p> |
| |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=net-misc/dropbear-2016.73" |
| </code> |
| </resolution> |
| <references> |
| <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3116">CVE-2016-3116</uri> |
| </references> |
| <metadata tag="requester" timestamp="Tue, 21 Jun 2016 05:13:38 +0000">b-man</metadata> |
| <metadata tag="submitter" timestamp="Wed, 20 Jul 2016 08:45:10 +0000">b-man</metadata> |
| </glsa> |