blob: 939cc25c34e80cb878f6bbc9fc6825daceed75ab (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202012-19">
<title>PowerDNS Recursor: Denial of service</title>
<synopsis>A vulnerability in PowerDNS Recursor could lead to a Denial of
Service condition.
</synopsis>
<product type="ebuild">pdns-recursor</product>
<announced>2020-12-23</announced>
<revised count="1">2020-12-23</revised>
<bug>746923</bug>
<access>remote</access>
<affected>
<package name="net-dns/pdns-recursor" auto="yes" arch="*">
<unaffected range="ge">4.3.5</unaffected>
<vulnerable range="lt">4.3.5</vulnerable>
</package>
</affected>
<background>
<p>PowerDNS Recursor is a high-end, high-performance resolving name server.</p>
</background>
<description>
<p>It was discovered that it was possible to update the DNSSEC validation
state to a bogus state for a cached record via DNS ANY query.
</p>
</description>
<impact type="low">
<p>A remote attacker could send specially crafted DNS queries to deny
DNSSEC validation.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All PowerDNS Recursor users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/pdns-recursor-4.3.5"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-25829">CVE-2020-25829</uri>
<uri link="https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-07.html">
PowerDNS Security Advisory 2020-07
</uri>
</references>
<metadata tag="requester" timestamp="2020-12-23T17:00:31Z">whissi</metadata>
<metadata tag="submitter" timestamp="2020-12-23T19:54:43Z">whissi</metadata>
</glsa>
|
GitWeb
