PT-2020-1322 · Microsoft · Office Excel+2

Published 2020-01-14 · Updated 2021-07-21 · CVE-2020-0651

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 Excel (affected versions not specified) Microsoft Office (affected versions not specified) Office 365 (affected versions not specified)

Description The issue is related to errors in handling objects in memory. Exploitation of this issue could allow an attacker to run arbitrary code in the context of the current user. If the user has administrative rights, the attacker could take control of the system, install programs, view or modify data, or create new accounts with full rights. The exploitation requires a user to open a specially crafted file with an affected version of Microsoft Excel.

Recommendations For Microsoft Excel, consider avoiding the use of suspicious or unverified files until a fix is available. For Microsoft Office, restrict access to potentially vulnerable components to minimize the risk of exploitation. For Office 365, as a temporary workaround, consider disabling the use of certain features that may be related to the handling of objects in memory until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2020-00223

CVE-2020-0651

Affected Products

Office Excel

Office

Office 365

References · 5

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0651 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-0651 · Security Note
• https://bdu.fstec.ru/vul/2020-00223 · Security Note
• https://osv.dev/vulnerability/CVE-2020-0651 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0651 · Security Note