SB2023030241 - Ubuntu update for ruby-rack 



SB2023030241 - Ubuntu update for ruby-rack

Published: March 2, 2023

Security Bulletin ID SB2023030241
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
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 3 secuirty vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2022-44570)

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

The vulnerability exists due to application does not properly control consumption of internal resources within the get_byte_ranges() function in lib/rack/utils.rb when parsing the Range header. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Resource exhaustion (CVE-ID: CVE-2022-44571)

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

The vulnerability exists due to application does not properly control consumption of internal resources when parsing Content-Disposition header in lib/rack/multipart/parser.rb. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


3) Resource exhaustion (CVE-ID: CVE-2022-44572)

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

The vulnerability exists due to application does not properly control consumption of internal resources when parsing Content-Disposition header in lib/rack/multipart/parser.rb. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.