CVE-2019-20800

In Cherokee through 1.2.104, remote attackers can trigger an out-of-bounds write in cherokee_handler_cgi_add_env_pair in handler_cgi.c by sending many request headers, as demonstrated by a GET request with many "Host: 127.0.0.1" headers.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/cherokee/webserver/issues/1224	Exploit Third Party Advisory
https://logicaltrust.net/blog/2019/11/cherokee.html	Exploit Third Party Advisory
https://security.gentoo.org/glsa/202012-09	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cherokee-project:cherokee:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-05-18 00:15

Updated : 2022-11-21 19:55

NVD link : CVE-2019-20800

Mitre link : CVE-2019-20800

CVE.ORG link : CVE-2019-20800

JSON object : View

Products Affected

cherokee-project

cherokee

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2019-20800", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2020-05-18T00:15:11.330", "references": [{"url": "https://github.com/cherokee/webserver/issues/1224", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://logicaltrust.net/blog/2019/11/cherokee.html", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202012-09", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In Cherokee through 1.2.104, remote attackers can trigger an out-of-bounds write in cherokee_handler_cgi_add_env_pair in handler_cgi.c by sending many request headers, as demonstrated by a GET request with many \"Host: 127.0.0.1\" headers."}, {"lang": "es", "value": "En Cherokee versiones hasta 1.2.104, atacantes remotos pueden activar una escritura fuera de l\u00edmites en la funci\u00f3n cherokee_handler_cgi_add_env_pair en el archivo handler_cgi.c al enviar muchos encabezados de petici\u00f3n, como es demostrado por una petici\u00f3n GET con muchos encabezados \"Host: 127.0.0.1\"."}], "lastModified": "2022-11-21T19:55:53.980", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cherokee-project:cherokee:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1FDFC431-553A-4EF1-9450-9F9310415845", "versionEndIncluding": "1.2.104"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}