SB2020022614 - Multiple vulnerabilities in MISP



SB2020022614 - Multiple vulnerabilities in MISP

Published: February 26, 2020 Updated: February 27, 2020

Security Bulletin ID SB2020022614
Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 40% Low 60%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2020-8893)

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/Galaxies/view.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) Improper access control (CVE-ID: CVE-2020-8894)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in app/Controller/ThreadsController.php and app/Model/Thread.php scripts. A remote authenticated attacker can bypass implemented security restrictions and view otherwise restricted discussions.


3) Resource management error (CVE-ID: CVE-2020-8890)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to software does has incorrectly implemented brute-force protection. A remote attacker can cause the application database to respond slowly to requests and use this situation to bypass implemented brute-force protection.


4) Improper control of interaction frequency (CVE-ID: CVE-2020-8891)

The vulnerability allows a remote attacker to perform a brute-force attack.

The vulnerability exists due to software does not canonicalize usernames when trying to block a brute-force series of invalid requests.A remote attacker can bypass implemented security mechanisms and perform a brute-force attack.


5) Improper control of interaction frequency (CVE-ID: CVE-2020-8892)

The vulnerability allows a remote attacker to perform a brute-force attack.

The vulnerability exists due to software does not consider a possibility to use HTTP PUT method when trying to block a brute-force series of invalid requests. A remote attacker can perform a brute-force attack via HTTP PUT method.


Remediation

Install update from vendor's website.