SB2023112001 - Fedora 40 update for golang-github-nats-io, golang-github-nats-io-jwt-2, golang-github-nats-io-nkeys, golang-github-nats-io-streaming-server, nats-server 



SB2023112001 - Fedora 40 update for golang-github-nats-io, golang-github-nats-io-jwt-2, golang-github-nats-io-nkeys, golang-github-nats-io-streaming-server, nats-server

Published: November 20, 2023

Security Bulletin ID SB2023112001
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2023-39325)

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

The vulnerability exists due to excessive consumption of internal resources when handling HTTP/2 requests. A remote attacker can bypass the http2.Server.MaxConcurrentStreams setting by creating new connections while the current connections are still being processed, trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Use of Hard-coded Cryptographic Key (CVE-ID: CVE-2023-46129)

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

The vulnerability exists due to the usage of a hard-coded cryptograhic key. A remote attacker can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.