Published:2016/05/26  Last Updated:2016/05/26

JVN#00460236
NetCommons vulnerable to privilege escalation

Overview

NetCommons contains a privilege escalation vulnerability.

Products Affected

  • NetCommons2.4.2.1 and earlier versions

Description

NetCommons provided by the NetCommons Project contains a privilege escalation vulnerability.

Impact

A user with secretariat privileges ("CLERK") may create a user with (system) administrator privileges ("SYSTEM_ADMIN").

Solution

Update the Software
Update the software according to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
NetCommons Project Vulnerable 2016/05/26 NetCommons Project website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Base Score: 7.1
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:L/Au:S/C:P/I:P/A:N
Base Score: 5.5
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

Satoru Nagaoka of Cyber Defense Institute, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2016-4813
JVN iPedia JVNDB-2016-000075