Cross-site scripting in IBM WebSphere Application Server - CVE-2018-1793

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Main Vulnerability Database Vulnerabilities #VU15288

Cross-site scripting in IBM WebSphere Application Server - CVE-2018-1793

Published: October 10, 2018


Vulnerability identifier: #VU15288
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1793
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: IBM Corporation
Affected software:
IBM WebSphere Application Server

Detailed vulnerability description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within SAML ear. The vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


How to mitigate CVE-2018-1793

For V9.0.0.0 through 9.0.0.9:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH01752
--OR--
· Apply Fix Pack 9.0.0.10 or later (targeted availability 4Q 2018).

For V8.5.0.0 through 8.5.5.14:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH01752
--OR--
· Apply Fix Pack 8.5.5.15 or later (targeted availability 1Q 2019).

For V8.0.0.0 through 8.0.0.15:
· Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PH01752

For V7.0.0.0 through 7.0.0.45:
· Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PH01752

Sources