SB2023042048 - Multiple vulnerabilities in Multicluster Engine for Kubernetes 2.0
Published: April 20, 2023 Updated: December 18, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 9 secuirty vulnerabilities.
1) 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.
2) 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.
3) 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.
4) 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.
5) Improper Privilege Management (CVE-ID: CVE-2022-4415)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper privilege management when handling coredumps in coredump/coredump.c. A local user can gain access to sensitive information.
The vulnerability affects systems with libacl support.
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) 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.
Remediation
Install update from vendor's website.