PT-2017-18378 · Microsoft · Windows

Jeffrey Altman + 2 · Published 2017-07-11 · Updated 2017-07-17 · CVE-2017-8495

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Windows versions prior to the fixed version

Description A security-feature bypass issue allows attackers to affect the system. This issue is related to Kerberos failing to prevent tampering with the SNAME field during ticket exchange.

Recommendations For Microsoft Windows versions prior to the fixed version, update to a version that includes the fix for this issue to prevent attackers from bypassing Extended Protection for Authentication. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2017-8495

Affected Products

Windows

References · 8

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8495 · Security Note
• https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-8495 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-8495 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2017-8495 · Vendor Advisory
• http://securityfocus.com/bid/99424 · Note
• http://securitytracker.com/id/1038862 · Note
• https://orpheus-lyre.info · Note