| <?xml version="1.0" encoding="utf-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| |
| <glsa id="200503-36"> |
| <title>netkit-telnetd: Buffer overflow</title> |
| <synopsis> |
| The netkit-telnetd telnet client is vulnerable to a buffer overflow, which |
| could allow a malicious telnet server operator to execute arbitrary code. |
| </synopsis> |
| <product type="ebuild">netkit-telnetd</product> |
| <announced>March 31, 2005</announced> |
| <revised>March 31, 2005: 01</revised> |
| <bug>87211</bug> |
| <access>remote</access> |
| <affected> |
| <package name="net-misc/netkit-telnetd" auto="yes" arch="*"> |
| <unaffected range="ge">0.17-r6</unaffected> |
| <vulnerable range="lt">0.17-r6</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p> |
| netkit-telnetd provides standard Linux telnet client and server. |
| </p> |
| </background> |
| <description> |
| <p> |
| A buffer overflow has been identified in the slc_add_reply() |
| function of netkit-telnetd client, where a large number of SLC commands |
| can overflow a fixed size buffer. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p> |
| Successful explotation would require a vulnerable user to connect |
| to an attacker-controlled host using telnet, potentially executing |
| arbitrary code with the permissions of the telnet user. |
| </p> |
| </impact> |
| <workaround> |
| <p> |
| There is no known workaround at this time. |
| </p> |
| </workaround> |
| <resolution> |
| <p> |
| All netkit-telnetd users should upgrade to the latest version: |
| </p> |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=net-misc/netkit-telnetd-0.17-r6"</code> |
| </resolution> |
| <references> |
| <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0469">CAN-2005-0469</uri> |
| <uri link="http://www.idefense.com/application/poi/display?id=220&type=vulnerabilities">iDEFENSE Advisory 03-28-05</uri> |
| </references> |
| <metadata tag="requester" timestamp="Wed, 30 Mar 2005 08:13:45 +0000"> |
| koon |
| </metadata> |
| <metadata tag="submitter" timestamp="Wed, 30 Mar 2005 13:44:36 +0000"> |
| formula7 |
| </metadata> |
| <metadata tag="bugReady" timestamp="Wed, 30 Mar 2005 19:43:01 +0000"> |
| koon |
| </metadata> |
| </glsa> |