Published:2014/06/20  Last Updated:2014/06/20

JVN#02213197
Webmin vulnerable to cross-site scripting

Overview

Webmin contains a cross-site scripting vulnerability when "referrer checking" is turned off.

Products Affected

  • Webmin versions prior to 1.690

Description

Webmin is a web-based system management tool. Webmin contains a cross-site scripting vulnerability when "referrer checking" is turned off.

Note that "referrer checking" is enabled by default.

Impact

An arbitrary script may be executed on a user's web browser who is logged into Webmin.

Solution

Update the software
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor Link
Webmin Webmin

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2014.06.20 (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 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 no impact to the confidentiality of the system.
Integrity Impact(I) None (N) Partial (P) Complete (C) Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.
Availability Impact(A) None (N) Partial (P) Complete (C) There is no impact to the availability of the system.

Base Score:2.6

Credit

hasegawa 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-2014-3886
JVN iPedia JVNDB-2014-000060