SB2023101643 - Red Hat Enterprise Linux 9.0 Extended Update Support update for dotnet6.0 



SB2023101643 - Red Hat Enterprise Linux 9.0 Extended Update Support update for dotnet6.0

Published: October 16, 2023 Updated: December 6, 2024

Security Bulletin ID SB2023101643
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2023-44487)

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

The vulnerability exists due to improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.