SB2021020912 - Multiple vulnerabilities in MISP



SB2021020912 - Multiple vulnerabilities in MISP

Published: February 9, 2021

Security Bulletin ID SB2021020912
Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 25% Low 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Stored cross-site scripting (CVE-ID: CVE-2021-25324)

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

The vulnerability exists due to insufficient sanitization of user-supplied data within the galaxy cluster view when processing data passed via a cluster name to app/View/GalaxyClusters/view.ctp. A remote user can permanently inject 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) Stored cross-site scripting (CVE-ID: CVE-2021-25325)

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

The vulnerability exists due to insufficient sanitization of user-supplied data when processing galaxy cluster element values passed to app/View/GalaxyElements/ajax/index.ctp. A remote user 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.


3) Weak password requirements (CVE-ID: CVE-2021-25323)

The vulnerability allows an attacker to perform unauthorized password change.

The vulnerability exists due to the default MISP setting did not enable the requirements (aka require_password_confirmation) to provide the previous password when changing a password. An attacker with access to the current victim's session set a new password for the victim's account.


4) Cross-site scripting (CVE-ID: CVE-2021-3184)

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

The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via a crafted URL to the app/View/Elements/global_menu.ctp user homepage favorite button. 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.


Remediation

Install update from vendor's website.