FreeBSD Bugzilla – Attachment 214752 Details for
Bug 246655
dns/powerdns-recursor: update to 4.3.1
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[patch]
Security advisories for VuXML (3 CVE's)
vuxml-1.1_4.diff (text/plain), 2.75 KB, created by
Ralf van der Enden
on 2020-05-22 09:09:51 UTC
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Description:
Security advisories for VuXML (3 CVE's)
Filename:
MIME Type:
Creator:
Ralf van der Enden
Created:
2020-05-22 09:09:51 UTC
Size:
2.75 KB
patch
obsolete
>Index: vuln.xml >=================================================================== >--- vuln.xml (revision 536190) >+++ vuln.xml (working copy) >@@ -58,6 +58,49 @@ > * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) > --> > <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1"> >+ <vuln vid="f9c5a410-9b4e-11ea-ac3f-6805ca2fa271"> >+ <topic>powerdns-recursor -- multiple vulnerabilities</topic> >+ <affects> >+ <package> >+ <name>powerdns-recursor</name> >+ <range><lt>4.3.1</lt></range> >+ </package> >+ </affects> >+ <description> >+ <body xmlns="http://www.w3.org/1999/xhtml"> >+ <p>PowerDNS Team reports:</p> >+ <blockquote cite="https://doc.powerdns.com/recursor/changelog/4.3.html#change-4.3.1"> >+ <p>CVE-2020-10995: An issue in the DNS protocol has been found that allow malicious parties to use >+ recursive DNS services to attack third party authoritative name servers. The attack uses a crafted >+ reply by an authoritative name server to amplify the resulting traffic between the recursive and >+ other authoritative name servers. Both types of service can suffer degraded performance as an effect.</p> >+ <p>CVE-2020-12244: An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in >+ the answer section of a NXDOMAIN response lacking an SOA were not properly validated in >+ SyncRes::processAnswer. This would allow an attacker in position of man-in-the-middle to send a >+ NXDOMAIN answer for a name that does exist, bypassing DNSSEC validation.</p> >+ <p>CVE-2020-10030: An issue has been found in PowerDNS Authoritative Server allowing an attacker >+ with enough privileges to change the system's hostname to cause disclosure of uninitialized memory >+ content via a stack-based out-of-bounds read. It only occurs on systems where gethostname() does >+ not null-terminate the returned string if the hostname is larger than the supplied buffer. Linux >+ systems are not affected because the buffer is always large enough. OpenBSD systems are not affected >+ because the returned hostname is always null-terminated. Under some conditions this issue can lead >+ to the writing of one null-byte out-of-bounds on the stack, causing a denial of service or possibly >+ arbitrary code execution.</p> >+ </blockquote> >+ </body> >+ </description> >+ <references> >+ <url>https://doc.powerdns.com/recursor/security-advisories/index.html</url> >+ <cvename>CVE-2020-10995</cvename> >+ <cvename>CVE-2020-12244</cvename> >+ <cvename>CVE-2020-10030</cvename> >+ </references> >+ <dates> >+ <discovery>2020-05-19</discovery> >+ <entry>2020-05-21</entry> >+ </dates> >+ </vuln> >+ > <vuln vid="4d11d37e-9a8d-11ea-b9b8-641c67a117d8"> > <topic>Zabbix -- Remote code execution</topic> > <affects>
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