SB2020022614 - Multiple vulnerabilities in MISP
Published: February 26, 2020 Updated: February 27, 2020
Breakdown by Severity
- 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.
References
- https://github.com/MISP/MISP/commit/3d982d92fd26584115c01f8c560a688d1096b65c
- https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121
- https://github.com/MISP/MISP/commit/9400b8bc8699435d84508e598aca98a31affd77c
- https://github.com/MISP/MISP/commit/934c82819237b4edf1da64587b72a87bec5dd520
- https://github.com/MISP/MISP/commit/c1a0b3b2809b21b4df8c1efbc803aff700e262c3