Date: Wed, 14 Jun 2017 18:31:00 -0500 From: ISC Security Officer <security-officer@....org> To: oss-security@...ts.openwall.com Cc: ISC Security Officer <security-officer@....org> Subject: BIND9 CVE-2017-3140 & CVE-2017-3141 Today ISC announced CVE-2017-3140, CVE-2017-3141, and an operational notification regarding LMDB in BIND 9.11 CVE-2017-3140 is a denial-of-service vulnerability affecting 9.9.10, 9.10.5, 9.11.0->9.11.1, 9.9.10-S1, and 9.10.5-S1 when configured with Response Policy Zones (RPZ) utilizing NSIP or NSDNAME rules. We are aware that some subscribers to this list maintain BIND packages which have diverged from the official ISC code branches. While we cannot always offer specific guidance, in the case of CVE-2017-3140 maintainers who have selectively backported BIND changes are advised to check whether they have included change #4377, as that change has been determined to be a cause of CVE-2017-3140. CVE-2017-3141 is a Windows privilege escalation vector affecting 9.2.6-P2+, 9.3.2-P1+, 9.4.x, 9.5.x, 9.6.x, 9.7.x, 9.8.x, 9.9.0->9.9.10, 9.10.0->9.10.5, 9.11.0->9.11.1, 9.9.3-S1->9.9.10-S1, and 9.10.5-S1. The BIND Windows installer failed to properly quote the service paths, possibly allowing a local user to achieve privilege escalation, if allowed by file system permissions. BIND 9.11.0 and 9.11.1 carries a number of integration problems with LMDB (liblmdb) that will be addressed in BIND 9.11.2, planned for release in July/August 2017. Our full CVE text can be found at: https://kb.isc.org/article/AA-01495/74/CVE-2017-3140 https://kb.isc.org/article/AA-01496/74/CVE-2017-3141 The full operational notification can be found at: https://kb.isc.org/article/AA-01497/169/LMDB-integration-problems.html New releases of BIND, including security fixes for these vulnerabilities, are available at: http://www.isc.org/downloads/ Release notes can be obtained using the following links: ftp://ftp.isc.org/isc/bind9/9.9.10-P1/ ftp://ftp.isc.org/isc/bind9/9.10.5-P1/ ftp://ftp.isc.org/isc/bind9/9.11.1-P1/ Brian Conry Security Officer Download attachment "signature.asc" of type "application/pgp-signature" (456 bytes)
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