CVE-2021-22959

The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 6.4 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:N

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://hackerone.com/reports/1238709	Exploit Issue Tracking Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	Patch Third Party Advisory
https://www.debian.org/security/2022/dsa-5170	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:llhttp:llhttp::::::node.js::*
	cpe:2.3:a:llhttp:llhttp::::::node.js::*

Configuration 2 (hide)

OR	cpe:2.3:a:oracle:graalvm:21.3.0::::enterprise:::
	cpe:2.3:a:oracle:graalvm:20.3.4::::enterprise:::

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Information

Published : 2021-11-15 07:15

Updated : 2022-12-09 08:14

NVD link : CVE-2021-22959

Mitre link : CVE-2021-22959

JSON object : View

CWE

CWE-444

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

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Products Affected

debian

debian_linux

oracle

graalvm

llhttp

llhttp

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