PT-2016-7281 · Microsoft · .Net Framework

Published 2016-12-13 · Updated 2018-10-12 · CVE-2016-7270

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft .NET Framework version 4.6.2

Description An information disclosure issue exists due to the improper handling of a developer-supplied key by the Data Provider for SQL Server in Microsoft .NET Framework. This allows remote attackers to bypass the Always Encrypted protection mechanism, potentially obtaining sensitive cleartext information. The vulnerability is caused by key guessability.

Recommendations For Microsoft .NET Framework version 4.6.2, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-310

Related Identifiers

CVE-2016-7270

Affected Products

.Net Framework

References · 7

• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-155 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-7270 · Security Note
• https://osv.dev/vulnerability/CVE-2016-7270 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7270 · Security Note
• http://securitytracker.com/id/1037455 · Note
• http://securityfocus.com/bid/94741 · Note
• http://technet.microsoft.com/library/security/MS16-155 · Note