Test Kennung:	1.3.6.1.4.1.25623.1.0.891025
Kategorie:	Debian Local Security Checks
Titel:	Debian LTS: Security Advisory for bind9 (DLA-1025-1)
Zusammenfassung:	CVE-2017-3142;;An attacker who is able to send and receive messages to an authoritative;DNS server and who has knowledge of a valid TSIG key name may be able to;circumvent TSIG authentication of AXFR requests via a carefully constructed;request packet. A server that relies solely on TSIG keys for protection;with no other ACL protection could be manipulated into:;; - providing an AXFR of a zone to an unauthorized recipient;; - accepting bogus NOTIFY packets;;CVE-2017-3143;;An attacker who is able to send and receive messages to an authoritative;DNS server and who has knowledge of a valid TSIG key name for the zone and;service being targeted may be able to manipulate BIND into accepting an;unauthorized dynamic update.
Beschreibung:	Summary: CVE-2017-3142 An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name may be able to circumvent TSIG authentication of AXFR requests via a carefully constructed request packet. A server that relies solely on TSIG keys for protection with no other ACL protection could be manipulated into: - providing an AXFR of a zone to an unauthorized recipient - accepting bogus NOTIFY packets CVE-2017-3143 An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name for the zone and service being targeted may be able to manipulate BIND into accepting an unauthorized dynamic update. Affected Software/OS: bind9 on Debian Linux Solution: For Debian 7 'Wheezy', these problems have been fixed in version 1:9.8.4.dfsg.P1-6+nmu2+deb7u17. We recommend that you upgrade your bind9 packages. CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2017-3142 BugTraq ID: 99339 http://www.securityfocus.com/bid/99339 Debian Security Information: DSA-3904 (Google Search) https://www.debian.org/security/2017/dsa-3904 RedHat Security Advisories: RHSA-2017:1679 https://access.redhat.com/errata/RHSA-2017:1679 RedHat Security Advisories: RHSA-2017:1680 https://access.redhat.com/errata/RHSA-2017:1680 http://www.securitytracker.com/id/1038809 Common Vulnerability Exposure (CVE) ID: CVE-2017-3143 BugTraq ID: 99337 http://www.securityfocus.com/bid/99337
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