Resource exhaustion in subtext - #VU21158
Published: September 17, 2019
Vulnerability identifier: #VU21158
CSH Severity: Medium
CVSS v4.0: 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: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Hapi.js
Affected software:
subtext
subtext
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the package fails to enforce the "maxBytes" configuration for payloads with chunked encoding that are written to the file system. A remote attacker can send specially crafted requests with arbitrary payload sizes, trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.