SB2023113007 - Tenable Nessus Network Monitor update for third-party components
Published: November 30, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Cryptographic issues (CVE-ID: CVE-2023-5363)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an error when processing key and initialisation vector lengths in EVP_EncryptInit_ex2(), EVP_DecryptInit_ex2() and EVP_CipherInit_ex2() function. A remote attacker can gain access to potentially sensitive information.
The following ciphers and cipher modes are impacted: RC2, RC4, RC5, CCM, GCM and OCB.
2) Code Injection (CVE-ID: CVE-2021-23369)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Prototype Pollution (CVE-ID: CVE-2021-23383)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when selecting certain compiling options to compile templates. A remote attacker can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Arbitrary file upload (CVE-ID: CVE-2018-9206)
The vulnerability allows a remote attacker to compromise vulnerable system.The vulnerability exists in the plugin's source code that handles file uploads to PHP servers due to software allows upload of arbitrary files to the system. A remote unauthenticated attacker can upload arbitrary .htaccess file to impose security restrictions to its upload folder and upload backdoors and web shells.
Note: The vulnerability has been actively exploited for at least 3 years.
Remediation
Install update from vendor's website.