Test ID:	1.3.6.1.4.1.25623.1.0.145413
Category:	Buffer overflow
Title:	ISC BIND Buffer Overflow Vulnerability (CVE-2020-8625) - Windows
Summary:	ISC BIND is prone to a buffer overflow vulnerability in the GSSAPI security; policy negotiation.
Description:	Summary: ISC BIND is prone to a buffer overflow vulnerability in the GSSAPI security policy negotiation. Vulnerability Insight: GSS-TSIG is an extension to the TSIG protocol which is intended to support the secure exchange of keys for use in verifying the authenticity of communications between parties on a network. SPNEGO is a negotiation mechanism used by GSSAPI, the application protocol interface for GSS-TSIG. The SPNEGO implementation used by BIND has been found to be vulnerable to a buffer overflow attack. Vulnerability Impact: The most likely outcome of a successful exploitation of the vulnerability is a crash of the named process. However, remote code execution, while unproven, is theoretically possible. Affected Software/OS: BIND 9.5.0 - 9.11.27, 9.12.0 - 9.16.11, 9.11.3-S1 - 9.11.27-S1 and 9.16.8-S1 - 9.16.11-S1. Solution: Update to version 9.11.28, 9.16.12, 9.11.28-S1, 9.16.12-S1 or later. CVSS Score: 6.8 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-8625 https://kb.isc.org/v1/docs/cve-2020-8625 Debian Security Information: DSA-4857 (Google Search) https://www.debian.org/security/2021/dsa-4857 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QWCMBOSZOJIIET7BWTRYS3HLX5TSDKHX/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KYXAF7G45RXDVNUTWWCI2CVTHRZ67LST/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EBTPWRQWRQEJNWY4NHO4WLS4KLJ3ERHZ/ https://www.zerodayinitiative.com/advisories/ZDI-21-195/ https://lists.debian.org/debian-lts-announce/2021/02/msg00029.html http://www.openwall.com/lists/oss-security/2021/02/19/1 http://www.openwall.com/lists/oss-security/2021/02/20/2
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