SB2021031707 - Multiple vulnerabilities in JBoss Enterprise Application Platform
Published: March 17, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Incorrect default permissions (CVE-ID: CVE-2020-8908)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for files located in the temporary directory set by the Guava com.google.common.io.Files.createTempDir(). A local user with access to the system can view contents of files and directories or modify them.
2) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2020-10687)
The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of HTTP requests when processing HTTP/1.x and HTTP/2 requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.
Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.
3) Comparison using wrong factors (CVE-ID: CVE-2020-28052)
The vulnerability allows a remote attacker to brute-force password hashes.
The vulnerability exists due to comparison error in OpenBSDBCrypt.checkPassword() function in core/src/main/java/org/bouncycastle/crypto/generators/OpenBSDBCrypt.java when matching passwords with hashes. A remote attacker can pass an incorrect password that will be accepted as a valid one by the library, bypass authentication process and gain unauthorized access to the application that uses vulnerable version of Bouncy Castle.
4) Input validation error (CVE-ID: CVE-2020-35510)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing EJB client requests. A remote user can send specially crafted EJB message to the server and perform a denial of service (DoS) attack.
5) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2021-20220)
The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of HTTP requests when processing HTTP/1.x and HTTP/2 protocols. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.
Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.
6) Improper access control (CVE-ID: CVE-2021-20250)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote non-authenticated attacker can gain unauthorized access to sensitive information.
Remediation
Install update from vendor's website.