SB2023111730 - Splunk Universal Forwarder update for third-party components

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Security features bypass (CVE-ID: CVE-2022-31799)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to mishandling errors during early request binding. A remote attacker can exploit this vulnerability to launch further attacks on the system.

2) Input validation error (CVE-ID: CVE-2023-24329)

The vulnerability allows a remote attacker to bypass implemented filters.

The vulnerability exists due to insufficient validation of URLs that start with blank characters within urllib.parse component of Python. A remote attacker can pass specially crafted URL to bypass existing filters.

3) Resource management error (CVE-ID: CVE-2023-3817)

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

The vulnerability exists due to improper management of internal resources within the application when checking the long DH keys. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

4) Resource management error (CVE-ID: CVE-2023-3446)

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

The vulnerability exists due to improper management of internal resources within the DH_check(), DH_check_ex() and EVP_PKEY_param_check() function when processing a DH key or DH parameters. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://advisory.splunk.com/advisories/SVD-2023-1107