CVE Vulnerabilities

CVE-2019-15605

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Published: Feb 07, 2020 | Modified: Mar 07, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
7.1 IMPORTANT
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Ubuntu
MEDIUM

HTTP request smuggling in Node.js 10, 12, and 13 causes malicious payload delivery when transfer-encoding is malformed

Weakness

The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

Affected Software

Name Vendor Start Version End Version
Node.js Nodejs 10.0.0 (including) 10.19.0 (excluding)
Node.js Nodejs 12.0.0 (including) 12.15.0 (excluding)
Node.js Nodejs 13.0.0 (including) 13.8.0 (excluding)
Red Hat Enterprise Linux 7 RedHat http-parser-0:2.7.1-8.el7_7.2 *
Red Hat Enterprise Linux 7.6 Extended Update Support RedHat http-parser-0:2.7.1-5.el7_6.1 *
Red Hat Enterprise Linux 8 RedHat nodejs:10-8010020200213140254.c27ad7f8 *
Red Hat Enterprise Linux 8 RedHat nodejs:12-8010020200220143053.c27ad7f8 *
Red Hat Enterprise Linux 8 RedHat http-parser-0:2.8.0-5.el8_1.2 *
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions RedHat nodejs:10-8000020200214110450.f8e95b4e *
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions RedHat http-parser-0:2.8.0-2.el8_0.2 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-nodejs10-nodejs-0:10.19.0-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-nodejs12-nodejs-0:12.16.1-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS RedHat rh-nodejs10-nodejs-0:10.19.0-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS RedHat rh-nodejs12-nodejs-0:12.16.1-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS RedHat rh-nodejs10-nodejs-0:10.19.0-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS RedHat rh-nodejs12-nodejs-0:12.16.1-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS RedHat rh-nodejs10-nodejs-0:10.19.0-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS RedHat rh-nodejs12-nodejs-0:12.16.1-1.el7 *
Nodejs Ubuntu bionic *
Nodejs Ubuntu eoan *
Nodejs Ubuntu esm-apps/bionic *
Nodejs Ubuntu esm-apps/xenial *
Nodejs Ubuntu esm-infra-legacy/trusty *
Nodejs Ubuntu trusty *
Nodejs Ubuntu trusty/esm *
Nodejs Ubuntu xenial *

Extended Description

HTTP requests or responses (“messages”) can be malformed or unexpected in ways that cause web servers or clients to interpret the messages in different ways than intermediary HTTP agents such as load balancers, reverse proxies, web caching proxies, application firewalls, etc. For example, an adversary may be able to add duplicate or different header fields that a client or server might interpret as one set of messages, whereas the intermediary might interpret the same sequence of bytes as a different set of messages. For example, discrepancies can arise in how to handle duplicate headers like two Transfer-encoding (TE) or two Content-length (CL), or the malicious HTTP message will have different headers for TE and CL. The inconsistent parsing and interpretation of messages can allow the adversary to “smuggle” a message to the client/server without the intermediary being aware of it. This weakness is usually the result of the usage of outdated or incompatible HTTP protocol versions in the HTTP agents.

Potential Mitigations

References