PT-2021-12501 · Eaton · Easysoft

Francis Provencher · Published 2021-01-07 · Updated 2021-03-31 · CVE-2020-6656

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Eaton's easySoft software versions 7.00 through 7.20

Description: The issue arises due to improper validation of user data supplied through .E70 files, causing Type Confusion. A malicious entity can execute malicious code or make the application crash by tricking a user into uploading a malformed .E70 file.

Recommendations: For versions 7.00 through 7.20, update to version 7.22 or later to resolve the issue. As a temporary workaround, consider restricting the upload of .E70 files to trusted sources until a patch is available.

Fix

Type Confusion

RCE

Weakness Enumeration

CWE-843

CWE-20

Related Identifiers

CVE-2020-6656

Affected Products

Easysoft

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2020-6656 · Security Note
• https://osv.dev/vulnerability/CVE-2020-6656 · Vendor Advisory
• https://eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/easySoft-eaton-vulnerability-advisory.pdf · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-20-1442 · Note
• https://zerodayinitiative.com/advisories/ZDI-20-1441 · Note
• https://t.me/cibsecurity/21760 · Telegram Post
• https://us-cert.cisa.gov/ics/advisories/icsa-21-007-03 · Note
• https://zerodayinitiative.com/advisories/ZDI-20-1444 · Note
• https://t.me/cvenotify/12385 · Telegram Post