7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
0.001 Low
EPSS
Percentile
40.2%
The llhttp parser in the http module in Node v20.2.0 does not strictly use the CRLF sequence to delimit HTTP requests. This can lead to HTTP Request Smuggling (HRS).
The CR character (without LF) is sufficient to delimit HTTP header fields in the llhttp parser. According to RFC7230 section 3, only the CRLF sequence should delimit each header-field. This impacts all Node.js active versions: v16, v18, and, v20
hackerone.com/reports/2001873
lists.fedoraproject.org/archives/list/[email protected]/message/HMEELCREWMRT6NS7HWXLA6XFLLMO36HE/
lists.fedoraproject.org/archives/list/[email protected]/message/IV326O2X4BE3SINX5FJHMAKVHUAA4ZYF/
lists.fedoraproject.org/archives/list/[email protected]/message/UEJWL67XR67JAGEL2ZK22NA3BRKNMZNY/
lists.fedoraproject.org/archives/list/[email protected]/message/VCVG4TQRGTK4LKAZKVEQAUEJM7DUACYE/
lists.fedoraproject.org/archives/list/[email protected]/message/VEEQIN5242K5NBE2CZ4DYTNA5B4YTYE5/
lists.fedoraproject.org/archives/list/[email protected]/message/VKFMKD4MJZIKFQJAAJ4VZ2FHIJ764A76/
security.netapp.com/advisory/ntap-20230803-0009/
security.netapp.com/advisory/ntap-20240621-0006/