PT-2020-3304 · Microsoft · Skype For Business+1

Published 2020-07-14 · Updated 2021-07-21 · CVE-2020-1462

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Skype for Business (affected versions not specified) Microsoft Edge (EdgeHTML-based) (affected versions not specified)

Description The issue is related to an information disclosure vulnerability when accessing Skype for Business via Microsoft Edge (EdgeHTML-based). This vulnerability can be exploited by a remote attacker to gain unauthorized access to protected information by opening a specially crafted link in the application. An attacker who exploits this vulnerability could cause the user to place a call without additional consent, leading to information disclosure of the user profile.

Recommendations For Skype for Business, consider restricting access to sensitive user information until a fix is available. For Microsoft Edge (EdgeHTML-based), avoid using it to access Skype for Business until the issue is resolved. As a temporary workaround, consider disabling the ability to place calls from within Skype for Business when accessed via Microsoft Edge (EdgeHTML-based) to minimize the risk of exploitation.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2020-03612

CVE-2020-1462

Affected Products

Edge

Skype For Business

References · 4

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1462 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-03612 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-1462 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1462 · Security Note