SB2023042019 - Multiple vulnerabilities in Red Hat Advanced Cluster Management for Kubernetes



SB2023042019 - Multiple vulnerabilities in Red Hat Advanced Cluster Management for Kubernetes

Published: April 20, 2023 Updated: December 18, 2023

Security Bulletin ID SB2023042019
Severity
High
Patch available
YES
Number of vulnerabilities 11
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 18% Medium 82%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 11 secuirty vulnerabilities.


1) Inefficient Algorithmic Complexity (CVE-ID: CVE-2022-25881)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to regular expression denial of service that occurs when the server reads the cache policy from the request using this library. A remote unauthenticated attacker can send malicious request header values to the server and perform a denial of service attack.


2) Improper Control of Dynamically-Managed Code Resources (CVE-ID: CVE-2023-29017)

The vulnerability allows a remote attacker to escape sandbox restrictions.

The vulnerability exists due to improper handling of host objects passed to "Error.prepareStackTrace" in case of unhandled async errors. A remote attacker can pass specially crafted input to the application, escape sandbox restrictions and execute arbitrary code on the host.


3) Improper Control of Dynamically-Managed Code Resources (CVE-ID: CVE-2023-29199)

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to an error within the source code transformer. A remote user can bypass handleException() and leak unsanitized host exceptions. The obtain information can be used to escape the sandbox and run arbitrary code in host context.


4) Code injection (CVE-ID: CVE-2023-30547)

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

The vulnerability exists due to an error in exception sanitization. A remote user can raise an unsanitized host exception inside "handleException()", which can be used to escape the sandbox and run arbitrary code in host context.


5) Information Exposure Through Timing Discrepancy (CVE-ID: CVE-2022-4304)

The vulnerability allows a remote attacker to obtain sensitive information.

The vulnerability exists due to a timing based side channel exists in the OpenSSL RSA Decryption implementation. A remote attacker can perform a Bleichenbacher style attack and decrypt data sent over the network.

To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages for decryption. The vulnerability affects all RSA padding modes: PKCS#1 v1.5, RSA-OEAP and RSASVE.


6) Double Free (CVE-ID: CVE-2022-4450)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the PEM_read_bio_ex() function. A remote attacker can pass specially crafted PEM file to the application, trigger a double free error and perform a denial of service (DoS) attack.


7) Use-after-free (CVE-ID: CVE-2023-0215)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the BIO_new_NDEF function. A remote attacker can trigger a use-after-free error and perform a denial of service (DoS) attack.



8) Type Confusion (CVE-ID: CVE-2023-0286)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a type confusion error related to X.400 address processing inside an X.509 GeneralName. A remote attacker can pass specially crafted data to the application, trigger a type confusion error and perform a denial of service (DoS) attack or read memory contents.

In most cases, the attack requires the attacker to provide both the certificate chain and CRL, neither of which need to have a valid signature. If the attacker only controls one of these inputs, the other input must already contain an X.400 address as a CRL distribution point, which is uncommon. As such, this vulnerability is most likely to only affect applications which have implemented their own functionality for retrieving CRLs over a network.


9) Inadequate Encryption Strength (CVE-ID: CVE-2023-0361)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to an error in the TLS RSA key exchange. A remote attacker can perform Bleichenbacher oracle attack and decrypt information.


10) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2023-23916)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect implementation of the "chained" HTTP compression algorithms, where the number of links in the decompression chain was limited for each header instead of the entire request. A remote attacker can send a specially crafted compressed HTTP request with numerous headers and perform a denial of service (DoS) attack.


11) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2022-3841)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input passed to "/api/proxy/plugin/acm/console/multicloud/ansibletower" API endpoint. A remote non-authenticated attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


Remediation

Install update from vendor's website.