Test ID:	1.3.6.1.4.1.25623.1.0.146632
Category:	General
Title:	ISC BIND Information Disclosure Vulnerability (CVE-2017-3142) - Linux
Summary:	ISC BIND is prone to an information disclosure vulnerability.
Description:	Summary: ISC BIND is prone to an information disclosure vulnerability. Vulnerability Insight: 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, and/or - accepting bogus NOTIFY packets. Vulnerability Impact: - An unauthorized AXFR (full zone transfer) permits an attacker to view the entire contents of a zone. Protection of zone contents is often a commercial or business requirement. - If accepted, a NOTIFY sets the zone refresh interval to 'now'. If there is not already a refresh cycle in progress then named will initiate one by asking for the SOA RR from its list of masters. If there is already a refresh cycle in progress, then named will queue the new refresh request. If there is already a queued refresh request, the new NOTIFY will be discarded. Bogus notifications cannot be used to force a zone transfer from a malicious server, but could trigger a high rate of zone refresh cycles. Affected Software/OS: BIND 9.4.0 through 9.8.8, 9.9.0 through 9.9.10-P1, 9.10.0 through 9.10.5-P1, 9.11.0 through 9.11.1-P1, 9.9.3-S1 through 9.9.10-S2 and 9.10.5-S1 through 9.10.5-S2. Solution: Update to version 9.9.10-P2, 9.10.5-P2, 9.11.1-P2, 9.9.10-S3, 9.10.5-S3 or later. CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Cross-Ref:	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
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