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

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:::

Information

Published : 2021-11-15 15:15

Updated : 2022-06-28 13:15

NVD link : CVE-2021-22959

Mitre link : CVE-2021-22959

JSON object : View

Products Affected

oracle

graalvm

llhttp

llhttp

CWE

CWE-444

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

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://hackerone.com/reports/1238709", "name": "https://hackerone.com/reports/1238709", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.oracle.com/security-alerts/cpujan2022.html", "name": "https://www.oracle.com/security-alerts/cpujan2022.html", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.debian.org/security/2022/dsa-5170", "name": "DSA-5170", "tags": [], "refsource": "DEBIAN"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-444"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-22959", "ASSIGNER": "cve-assignments@hackerone.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 4.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}}, "publishedDate": "2021-11-15T15:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.1.4"}, {"cpe23Uri": "cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.0.6", "versionStartIncluding": "3.0.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:oracle:graalvm:21.3.0:*:*:*:enterprise:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:oracle:graalvm:20.3.4:*:*:*:enterprise:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-06-28T13:15Z"}