#VU71974 Resource exhaustion in Rack - CVE-2022-44570
Published: February 7, 2023
Vulnerability identifier: #VU71974
Vulnerability risk: Medium
CVSSv4.0: 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
CVE-ID: CVE-2022-44570
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Rack
Rack
Software vendor:
Rack
Rack
Description
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.
Remediation
Install updates from vendor's website.