CVE-2019-17421 - Incorrect Default Permissions

Severity

78%

Complexity

18%

Confidentiality

98%

Incorrect file permissions on the packaged Nipper executable file in Zoho ManageEngine OpManager 12.4.072 and Firewall Analyzer 12.4.072 allow local users to elevate privileges to root by overwriting this file with a malicious payload.

CVSS 3.1 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C).

Overview

Type

Zoho Corp ManageEngine

First reported 5 years ago

2019-11-21 15:15:00

Last updated 5 years ago

2019-12-03 21:46:00

Affected Software

Zoho Corp ManageEngine Firewall Analyzer 12.4 124072

12.4

Zoho Corp ManageEngine OpManager 12.4 124072

12.4

References

https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.html

Third Party Advisory

https://twitter.com/va_start

Exploit, Third Party Advisory

https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.html

Patch, Vendor Advisory

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