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author | 2015-03-08 22:02:38 +0100 | |
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committer | 2015-03-08 22:02:38 +0100 | |
commit | a24567fbc43f221b14e805f9bc0b7c6d16911c46 (patch) | |
tree | 910a04fe6ee560ac0eebac55f3cd2781c3519760 /glsa-200710-14.xml | |
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Import existing advisories
Diffstat (limited to 'glsa-200710-14.xml')
-rw-r--r-- | glsa-200710-14.xml | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/glsa-200710-14.xml b/glsa-200710-14.xml new file mode 100644 index 00000000..c9b1008c --- /dev/null +++ b/glsa-200710-14.xml @@ -0,0 +1,70 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200710-14"> + <title>DenyHosts: Denial of Service</title> + <synopsis> + DenyHosts does not correctly parse log entries, potentially causing a + remote Denial of Service. + </synopsis> + <product type="ebuild">denyhosts</product> + <announced>October 13, 2007</announced> + <revised>October 13, 2007: 01</revised> + <bug>181213</bug> + <access>remote</access> + <affected> + <package name="app-admin/denyhosts" auto="yes" arch="*"> + <unaffected range="ge">2.6-r1</unaffected> + <vulnerable range="lt">2.6-r1</vulnerable> + </package> + </affected> + <background> + <p> + DenyHosts is designed to monitor SSH servers for repeated failed login + attempts. + </p> + </background> + <description> + <p> + Daniel B. Cid discovered that DenyHosts used an incomplete regular + expression to parse failed login attempts, a different issue than GLSA + 200701-01. + </p> + </description> + <impact type="normal"> + <p> + A remote unauthenticated attacker can add arbitrary hosts into the + blacklist, including the "all" keyword, by submitting specially crafted + version identification strings to the SSH server banner. An attacker + may use this to prevent legitimate users from accessing a host + remotely. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All DenyHosts users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=app-admin/denyhosts-2.6-r1"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4323">CVE-2007-4323</uri> + </references> + <metadata tag="requester" timestamp="Sat, 06 Oct 2007 13:32:04 +0000"> + p-y + </metadata> + <metadata tag="bugReady" timestamp="Sat, 06 Oct 2007 13:32:42 +0000"> + p-y + </metadata> + <metadata tag="submitter" timestamp="Sun, 07 Oct 2007 22:16:56 +0000"> + falco + </metadata> +</glsa> |