Vulnerability CVE-2020-6656
Published: 2021-01-07

Description:
Eaton's easySoft software v7.20 and prior are susceptible to file parsing type confusion remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user upload a malformed .E70 file in the application. The vulnerability arises due to improper validation of user data supplied through E70 file which is causing Type Confusion.

Type:

CWE-843

 (Access of Resource Using Incompatible Type ('Type Confusion'))

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Eaton -> Easysoft 

 References:
https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/easySoft-eaton-vulnerability-advisory.pdf
https://www.zerodayinitiative.com/advisories/ZDI-20-1441/
https://www.zerodayinitiative.com/advisories/ZDI-20-1442/
https://www.zerodayinitiative.com/advisories/ZDI-20-1444/
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