SB2018051821 - Multiple vulnerabilities in misp-project MISP

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2018-11562)

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 in app/View/Elements/eventattribute.ctp. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

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.

2) Cross-site scripting (CVE-ID: CVE-2018-11245)

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

app/webroot/js/misp.js in MISP 2.4.91 has a DOM based XSS with cortex type attributes.

Remediation

Install update from vendor's website.

References

• https://github.com/MISP/MISP/commit/10080096879d1076756f62760d6daf582b6db722
• https://github.com/MISP/MISP/commit/5efc07b12f82301a6086fd3433fedd69fe7119d3