PT-2018-1640 · Microsoft · Office+2

Jaanus · Published 2018-09-11 · Updated 2018-11-01 · CVE-2018-8429

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Excel (affected versions not specified) Microsoft Excel Viewer (affected versions not specified) Microsoft Office (affected versions not specified)

Description An information disclosure issue exists due to Microsoft Excel's improper handling of memory contents. This could allow a remote attacker to access protected information, including data previously deleted from the active worksheet.

Recommendations For Microsoft Excel, consider implementing memory protection measures to prevent information disclosure until a patch is available. For Microsoft Excel Viewer, restrict access to sensitive information when using the viewer until a fix is provided. For Microsoft Office, as a temporary workaround, avoid using Microsoft Excel for handling sensitive data until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Information Disclosure

Out of bounds Read

Weakness Enumeration

CWE-119

CWE-200

CWE-125

Related Identifiers

BDU:2018-01199

CVE-2018-8429

ZDI-18-1056

Affected Products

Office Excel

Excel Viewer

Office

References · 8

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8429 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-8429 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-18-1056 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-8429 · Security Note
• https://bdu.fstec.ru/vul/2018-01199 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8429 · Security Note
• http://securitytracker.com/id/1041630 · Note
• http://securityfocus.com/bid/105219 · Note