Resource exhaustion in Ruby - CVE-2018-8777
Published: April 5, 2018
Vulnerability identifier: #VU11539
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-8777
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ruby
Ruby
Software vendor:
Ruby
Ruby
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists a large request in WEBrick. A remote attacker can send a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause the service to crash.
The weakness exists a large request in WEBrick. A remote attacker can send a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause the service to crash.
Remediation
Update to versions 2.2.10, 2.3.7, 2.4.4 or 2.5.1.