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Diffstat (limited to 'metadata/glsa/glsa-200611-06.xml')
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diff --git a/metadata/glsa/glsa-200611-06.xml b/metadata/glsa/glsa-200611-06.xml new file mode 100644 index 000000000000..5f95569213bd --- /dev/null +++ b/metadata/glsa/glsa-200611-06.xml @@ -0,0 +1,70 @@ +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="200611-06"> + <title>OpenSSH: Multiple Denial of Service vulnerabilities</title> + <synopsis> + Several Denial of Service vulnerabilities have been identified in OpenSSH. + </synopsis> + <product type="ebuild">openssh</product> + <announced>2006-11-13</announced> + <revised count="01">2006-11-13</revised> + <bug>149502</bug> + <access>remote</access> + <affected> + <package name="net-misc/openssh" auto="yes" arch="*"> + <unaffected range="ge">4.4_p1-r5</unaffected> + <vulnerable range="lt">4.4_p1-r5</vulnerable> + </package> + </affected> + <background> + <p> + OpenSSH is a complete SSH protocol version 1.3, 1.5 and 2.0 + implementation and includes sftp client and server support. + </p> + </background> + <description> + <p> + Tavis Ormandy of the Google Security Team has discovered a + pre-authentication vulnerability, causing sshd to spin until the login + grace time has been expired. Mark Dowd found an unsafe signal handler + that was vulnerable to a race condition. It has also been discovered + that when GSSAPI authentication is enabled, GSSAPI will in certain + cases incorrectly abort. + </p> + </description> + <impact type="normal"> + <p> + The pre-authentication and signal handler vulnerabilities can cause a + Denial of Service in OpenSSH. The vulnerability in the GSSAPI + authentication abort could be used to determine the validity of + usernames on some platforms. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All OpenSSH users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-misc/openssh-4.4_p1-r5"</code> + </resolution> + <references> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5051">CVE-2006-5051</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5052">CVE-2006-5052</uri> + <uri link="https://www.openssh.com/txt/release-4.4">OpenSSH Security Advisory</uri> + </references> + <metadata tag="requester" timestamp="2006-11-06T00:03:31Z"> + vorlon078 + </metadata> + <metadata tag="bugReady" timestamp="2006-11-06T12:18:14Z"> + vorlon078 + </metadata> + <metadata tag="submitter" timestamp="2006-11-06T19:31:09Z"> + daxomatic + </metadata> +</glsa> |