SB2024032718 - Red Hat Enterprise Linux 8 update for the nodejs:18 module
Published: March 27, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Input validation error (CVE-ID: CVE-2024-22019)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing HTTP requests with chunked encoding. A remote attacker can send specially crafted HTTP request to the server and perform a denial of service (DoS) attack.
2) Covert Timing Channel (CVE-ID: CVE-2023-46809)
CWE-ID: CWE-385 - Covert Timing Channel
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform Marvin attack.
The vulnerability exists due to a covert timing channel in the privateDecrypt() API of the crypto library. A remote attacker can perform a covert timing side-channel during PKCS#1 v1.5 padding error handling and decrypt captured RSA ciphertexts or forge signatures, especially in scenarios involving API endpoints processing Json Web Encryption messages.
3) Improper handling of exceptional conditions (CVE-ID: CVE-2024-21892)
CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way certain environment variables are handled by Node.js on Linux. A local user can use a specially crafted environment variable to escalate privileges on the system.
Remediation
Install update from vendor's website.