PT-2017-3102 · Microsoft · Windows Server 2012 R2+5

Nelson William Gamazo Sanchez + 1 · Published 2017-10-10 · Updated 2019-10-03 · CVE-2017-11779

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Windows versions 8.1, 10 (Gold, 1511, 1607, 1703), Windows Server 2012 R2, Windows Server 2016, and Windows RT 8.1

Description The issue is related to a remote code execution vulnerability in the Microsoft Windows Domain Name System (DNS) DNSAPI.dll. It occurs when the system fails to properly handle DNS responses. This can be exploited by a remote attacker using specially crafted DNS responses, potentially allowing them to execute arbitrary code or cause a denial of service. The estimated number of potentially affected devices and details about real-world incidents are not provided.

Recommendations For Microsoft Windows versions 8.1, 10 (Gold, 1511, 1607, 1703), Windows Server 2012 R2, Windows Server 2016, and Windows RT 8.1, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2017-02485

CVE-2017-11779

ZDI-17-846

Affected Products

Windows

Windows 10

Windows 8.1

Windows Rt 8.1

Windows Server 2012 R2

Windows Server 2016

References · 10

• 🔥 https://bishopfox.com/blog/2017/10/a-bug-has-no-name-multiple-heap-buffer-overflows-in-the-windows-dns-client · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11779 · Security Note
• https://bdu.fstec.ru/vul/2017-02485 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-17-846 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11779 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-11779 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2017-11779 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-11779 · Vendor Advisory
• http://securityfocus.com/bid/101166 · Note
• http://securitytracker.com/id/1039533 · Note