SB2023072618 - Multiple vulnerabilities in IBM App Connect Enterprise Certified Container

Description

This security bulletin contains information about 6 secuirty vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2023-0217)

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

The vulnerability exists due to a NULL pointer dereference error when validating the DSA public key. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

2) Out-of-bounds read (CVE-ID: CVE-2023-1255)

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

The vulnerability exists due to a boundary error within the AES-XTS cipher decryption implementation for 64 bit ARM platform. An attacker with ability to control the size and location of the ciphertext buffer can trigger an out-of-bounds read and crash the application.

3) NULL pointer dereference (CVE-ID: CVE-2023-0401)

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

The vulnerability exists due to a NULL pointer dereference error during PKCS7 data verification. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

4) Release of invalid pointer or reference (CVE-ID: CVE-2023-0216)

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

The vulnerability exists due to invalid pointer dereference in d2i_PKCS7 functions. A remote attacker can perform a denial of service (DoS) attack.

5) Out-of-bounds read (CVE-ID: CVE-2022-4203)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when performing name constraint checking of the X.509 certificates. A remote attacker can pass a specially crafted X.509 certificate to the affected server, trigger an out-of-bounds read error and read contents of memory on the system.

6) Inadequate Encryption Strength (CVE-ID: CVE-2022-3358)

The vulnerability allows a remote attacker to decrypt traffic.

The vulnerability exists due to an error in openssl implementation when handling legacy custom ciphers with NID_undef passed to the EVP_EncryptInit_ex2(), EVP_DecryptInit_ex2() and EVP_CipherInit_ex2() functions. Under certain conditions openssl can fail to select a proper cipher and use NULL instead, which corresponds to sending data in plain text.

Note, applications are only affected by this issue if they call EVP_CIPHER_meth_new() using NID_undef and subsequently use it in a call to an encryption/decryption initialisation function.

Remediation

Install update from vendor's website.

References

• https://www.ibm.com/support/pages/node/7014451