CVE-2021-33197

In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.

CVSS v3 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://groups.google.com/g/golang-announce	Third Party Advisory
https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI	Exploit Patch Third Party Advisory
https://security.gentoo.org/glsa/202208-02	Third Party Advisory
https://groups.google.com/g/golang-announce	Third Party Advisory
https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI	Exploit Patch Third Party Advisory
https://security.gentoo.org/glsa/202208-02	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:golang:go::::::::
	cpe:2.3:a:golang:go::::::::

History

No history.

Information

Published : 2021-08-02 19:15

Updated : 2024-11-21 06:08

NVD link : CVE-2021-33197

Mitre link : CVE-2021-33197

CVE.ORG link : CVE-2021-33197

JSON object : View

Products Affected

golang

go

CWE

CWE-862

Missing Authorization

{"id": "CVE-2021-33197", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2021-08-02T19:15:08.493", "references": [{"url": "https://groups.google.com/g/golang-announce", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI", "tags": ["Exploit", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202208-02", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://groups.google.com/g/golang-announce", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI", "tags": ["Exploit", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202208-02", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers."}, {"lang": "es", "value": "En Go versiones anteriores a 1.15.13 y versiones 1.16.x anteriores a 1.16.5, algunas configuraciones de ReverseProxy (desde net/http/httputil) resultan en una situaci\u00f3n en la que un atacante es capaz de dejar caer cabeceras arbitrarias"}], "lastModified": "2024-11-21T06:08:29.870", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "83DF0007-D86B-419A-8722-A8C8C3313684", "versionEndExcluding": "1.15.13"}, {"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DBF475E5-A5BF-49FF-89A3-F7C7E0051E8F", "versionEndExcluding": "1.16.5", "versionStartIncluding": "1.16.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}