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author | Repository QA checks <repo-qa-checks@gentoo.org> | 2016-04-14 08:02:22 +0000 |
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committer | Repository QA checks <repo-qa-checks@gentoo.org> | 2016-04-14 08:02:22 +0000 |
commit | 670f14532cf81a4e02d989bcb1254e1e48bcb4e4 (patch) | |
tree | 68ef72d9e802ec198860f87b94402f4ca3aae287 /metadata/glsa/glsa-200901-03.xml | |
parent | Add 'metadata/dtd/' from commit 'f8325042cda078a7fa29be8dcb9a092219332112' (diff) | |
parent | Add GLSA 201604-03 - Fix (diff) | |
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Add 'metadata/glsa/' from commit 'aacff3c55fb52643f95332002ecdb7d439b8e4df'
git-subtree-dir: metadata/glsa
git-subtree-mainline: 3149e13ab601ad3a8f925656fd88567d2626de47
git-subtree-split: aacff3c55fb52643f95332002ecdb7d439b8e4df
Diffstat (limited to 'metadata/glsa/glsa-200901-03.xml')
-rw-r--r-- | metadata/glsa/glsa-200901-03.xml | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/metadata/glsa/glsa-200901-03.xml b/metadata/glsa/glsa-200901-03.xml new file mode 100644 index 000000000000..f24b1c6ccc03 --- /dev/null +++ b/metadata/glsa/glsa-200901-03.xml @@ -0,0 +1,79 @@ +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200901-03"> + <title>pdnsd: Denial of Service and cache poisoning</title> + <synopsis> + Two errors in pdnsd allow for Denial of Service and cache poisoning. + </synopsis> + <product type="ebuild">pdnsd</product> + <announced>January 11, 2009</announced> + <revised>January 11, 2009: 01</revised> + <bug>231285</bug> + <access>remote</access> + <affected> + <package name="net-dns/pdnsd" auto="yes" arch="*"> + <unaffected range="ge">1.2.7</unaffected> + <vulnerable range="lt">1.2.7</vulnerable> + </package> + </affected> + <background> + <p> + pdnsd is a proxy DNS server with permanent caching that is designed to + cope with unreachable DNS servers. + </p> + </background> + <description> + <p> + Two issues have been reported in pdnsd: + </p> + <ul> + <li> + The p_exec_query() function in src/dns_query.c does not properly handle + many entries in the answer section of a DNS reply, related to a + "dangling pointer bug" (CVE-2008-4194). + </li> + <li> + The default value for query_port_start was set to 0, disabling UDP + source port randomization for outgoing queries (CVE-2008-1447). + </li> + </ul> + </description> + <impact type="normal"> + <p> + An attacker could exploit the second weakness to poison the cache of + pdnsd and thus spoof DNS traffic, which could e.g. lead to the + redirection of web or mail traffic to malicious sites. The first issue + can be exploited by enticing pdnsd to send a query to a malicious DNS + server, or using the port randomization weakness, and might lead to a + Denial of Service. + </p> + </impact> + <workaround> + <p> + Port randomization can be enabled by setting the "query_port_start" + option to 1024 which would resolve the CVE-2008-1447 issue. + </p> + </workaround> + <resolution> + <p> + All pdnsd users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-dns/pdnsd-1.2.7"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4194">CVE-2008-4194</uri> + </references> + <metadata tag="requester" timestamp="Wed, 26 Nov 2008 18:15:10 +0000"> + rbu + </metadata> + <metadata tag="submitter" timestamp="Wed, 26 Nov 2008 23:10:06 +0000"> + rbu + </metadata> + <metadata tag="bugReady" timestamp="Wed, 26 Nov 2008 23:10:19 +0000"> + rbu + </metadata> +</glsa> |