Published:2015/06/05  Last Updated:2015/06/05

JVN#25598413
NetFlow Analyzer fails to restrict access permissions

Overview

NetFlow Analyzer provided by Zoho Corporation fails to restrict access permissions.

Products Affected

  • NetFlow Analyzer build 10250 and earlier

Description

NetFlow Analyzer provided by Zoho Corporation is a traffic analysis tool. NetFlow Analyzer fails to restrict access permissions.

Impact

Administrative operations, for example, changing passwords or user account deletion may be performed by a user with guest privileges.
In addition, information intended only for administrative users may be obtained by a third-party.

Solution

Update the software build and apply the patch
Update the software to build 10250 and then apply the patch according to the information provided by the developer.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2015.06.05 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) Specialized access conditions or extenuating circumstances do not exist.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is considerable informational disclosure. Access to some system files is possible, but the attacker does not have control over what is obtained, or the scope of the loss is constrained.
Integrity Impact(I) None (N) Partial (P) Complete (C) There is no impact to the integrity of the system.
Availability Impact(A) None (N) Partial (P) Complete (C) There is no impact to the availability of the system.

Base Score:5.0

Comment

This analysis assumes that a third-party can obtain information intended for an administrative user.

Credit

Tomoshige Hasegawa, Akihito Mukai 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-2015-2959
JVN iPedia JVNDB-2015-000075