CVE-2016-8738

In Apache Struts 2.5 through 2.5.5, if an application allows entering a URL in a form field and the built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.

CVSS v3 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/94657	Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20180629-0003/
https://struts.apache.org/docs/s2-044.html	Mitigation Patch Vendor Advisory
http://www.securityfocus.com/bid/94657	Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20180629-0003/
https://struts.apache.org/docs/s2-044.html	Mitigation Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:struts:2.5:::::::*
	cpe:2.3:a:apache:struts:2.5.1:::::::*
	cpe:2.3:a:apache:struts:2.5.2:::::::*
	cpe:2.3:a:apache:struts:2.5.3:::::::*
	cpe:2.3:a:apache:struts:2.5.4:::::::*
	cpe:2.3:a:apache:struts:2.5.5:::::::*

History

21 Nov 2024, 02:59

Type	Values Removed	Values Added
References	~~() http://www.securityfocus.com/bid/94657 - Third Party Advisory, VDB Entry~~	() http://www.securityfocus.com/bid/94657 - Third Party Advisory, VDB Entry
References	~~() https://security.netapp.com/advisory/ntap-20180629-0003/ -~~	() https://security.netapp.com/advisory/ntap-20180629-0003/ -
References	~~() https://struts.apache.org/docs/s2-044.html - Mitigation, Patch, Vendor Advisory~~	() https://struts.apache.org/docs/s2-044.html - Mitigation, Patch, Vendor Advisory

Information

Published : 2017-09-20 17:29

Updated : 2025-04-20 01:37

NVD link : CVE-2016-8738

Mitre link : CVE-2016-8738

CVE.ORG link : CVE-2016-8738

JSON object : View

Products Affected

apache

struts

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2016-8738", "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:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2017-09-20T17:29:00.337", "references": [{"url": "http://www.securityfocus.com/bid/94657", "tags": ["Third Party Advisory", "VDB Entry"], "source": "security@apache.org"}, {"url": "https://security.netapp.com/advisory/ntap-20180629-0003/", "source": "security@apache.org"}, {"url": "https://struts.apache.org/docs/s2-044.html", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "source": "security@apache.org"}, {"url": "http://www.securityfocus.com/bid/94657", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20180629-0003/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://struts.apache.org/docs/s2-044.html", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "In Apache Struts 2.5 through 2.5.5, if an application allows entering a URL in a form field and the built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL."}, {"lang": "es", "value": "En Apache Struts desde la versi\u00f3n 2.5 hasta la 2.5.5, si una aplicaci\u00f3n permite la introducci\u00f3n de una URL en un campo de un formulario y se emplea URLValidator (integrado), es posible preparar una URL especial que ser\u00e1 usada para sobrecargar el proceso del servidor cuando se lleva a cabo la validaci\u00f3n de la URL."}], "lastModified": "2025-04-20T01:37:25.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:struts:2.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "63CE1226-E0E6-4DC6-AC89-3FFDE6BD7B77"}, {"criteria": "cpe:2.3:a:apache:struts:2.5.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A4F914BA-CF16-4B03-A6A2-8C9816EC1248"}, {"criteria": "cpe:2.3:a:apache:struts:2.5.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D2C82970-62C9-4513-A66D-6BDA4048C27F"}, {"criteria": "cpe:2.3:a:apache:struts:2.5.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E1A43CA5-46DE-4513-A309-BE3A60CD5489"}, {"criteria": "cpe:2.3:a:apache:struts:2.5.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1D83D2FA-8931-45F8-82D6-DE270A2BA55C"}, {"criteria": "cpe:2.3:a:apache:struts:2.5.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D284BF2-101C-490C-85CB-69D156D1FF77"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}