Published:2018/10/19  Last Updated:2018/10/19

JVN#58005743
Web Isolation vulnerable to cross-site scripting

Overview

Web Isolation provided by Symantec Corporation contains a cross-site scripting vulnerability.

Products Affected

  • Web Isolation 1.11
Web Isolation is only vulnerable when configured in Portal Isolation mode.

Description

Web Isolation provided by Symantec Corporation contains a reflected cross-site scripting vulnerability (CWE-79).

Impact

An arbitrary script may be executed on the user's web browser.

Solution

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

Vendor Status

Vendor Link
Symantec Corporation Reflected XSS Vulnerability in Web Isolation

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score: 6.1
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:M/Au:N/C:N/I:P/A:N
Base Score: 4.3
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

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2018-12246
JVN iPedia JVNDB-2018-000110