CVE-2015-4146

The EAP-pwd peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not clear the L (Length) and M (More) flags before determining if a response should be fragmented, which allows remote attackers to cause a denial of service (crash) via a crafted message.

CVSS v2.0 5.0 MEDIUM

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html	Third Party Advisory
http://w1.fi/security/2015-4/0005-EAP-pwd-peer-Fix-asymmetric-fragmentation-behavior.patch
http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt	Vendor Advisory
http://www.debian.org/security/2015/dsa-3397
http://www.openwall.com/lists/oss-security/2015/05/09/6
http://www.openwall.com/lists/oss-security/2015/05/31/6
http://www.ubuntu.com/usn/USN-2650-1
https://security.gentoo.org/glsa/201606-17	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:w1.fi:wpa_supplicant:1.0:::::::*
	cpe:2.3:a:w1.fi:wpa_supplicant:1.1:::::::*
	cpe:2.3:a:w1.fi:wpa_supplicant:2.0:::::::*
	cpe:2.3:a:w1.fi:wpa_supplicant:2.1:::::::*
	cpe:2.3:a:w1.fi:wpa_supplicant:2.2:::::::*
	cpe:2.3:a:w1.fi:wpa_supplicant:2.3:::::::*
	cpe:2.3:a:w1.fi:wpa_supplicant:2.4:::::::*

Configuration 2 (hide)

OR	cpe:2.3:a:w1.fi:hostapd:1.0:::::::*
	cpe:2.3:a:w1.fi:hostapd:1.1:::::::*
	cpe:2.3:a:w1.fi:hostapd:2.0:::::::*
	cpe:2.3:a:w1.fi:hostapd:2.1:::::::*
	cpe:2.3:a:w1.fi:hostapd:2.2:::::::*
	cpe:2.3:a:w1.fi:hostapd:2.3:::::::*
	cpe:2.3:a:w1.fi:hostapd:2.4:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:opensuse:opensuse:13.1:::::::*
	cpe:2.3:o:opensuse:opensuse:13.2:::::::*

History

No history.

Information

Published : 2015-06-15 15:59

Updated : 2023-12-10 11:46

NVD link : CVE-2015-4146

Mitre link : CVE-2015-4146

CVE.ORG link : CVE-2015-4146

JSON object : View

Products Affected

w1.fi

hostapd
wpa_supplicant

opensuse

opensuse

CWE

NVD-CWE-noinfo

{"id": "CVE-2015-4146", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2015-06-15T15:59:10.617", "references": [{"url": "http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://w1.fi/security/2015-4/0005-EAP-pwd-peer-Fix-asymmetric-fragmentation-behavior.patch", "source": "cve@mitre.org"}, {"url": "http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.debian.org/security/2015/dsa-3397", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2015/05/09/6", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2015/05/31/6", "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-2650-1", "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201606-17", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "The EAP-pwd peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not clear the L (Length) and M (More) flags before determining if a response should be fragmented, which allows remote attackers to cause a denial of service (crash) via a crafted message."}, {"lang": "es", "value": "La implementaci\u00f3n EAP-pwd peer en hostapd y wpa_supplicant 1.0 hasta 2.4 no limpia los indicadores L (Length) y M (More) antes de determinar si una respuesta debe ser fragmentada, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de un mensaje manipulado."}], "lastModified": "2018-10-30T16:27:35.843", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3EF53AD-F985-446E-89B8-4BFECE00AD63"}, {"criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A11DBFA-9F0E-4358-8541-E5371C11FE80"}, {"criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "738AEB08-FF7D-4DC3-AB14-B8F2B9474810"}, {"criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:2.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1E8C5523-16E4-417E-A159-F5D0F9E83C5B"}, {"criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:2.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8AE48919-35E0-4C9A-BAEB-A6402FA7BD4E"}, {"criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:2.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AB93C2FC-6913-448E-8B93-EEB2229EC86C"}, {"criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:2.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0ECA3172-7088-4B5E-923D-37B155729BD2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:w1.fi:hostapd:1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "768D16AF-3A8B-47DD-A499-948A73062AE1"}, {"criteria": "cpe:2.3:a:w1.fi:hostapd:1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3BECC3EF-2777-4FF9-9750-93D1245A9247"}, {"criteria": "cpe:2.3:a:w1.fi:hostapd:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E2D07095-6331-4079-BD86-E414CEE35624"}, {"criteria": "cpe:2.3:a:w1.fi:hostapd:2.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "61CDB3D2-F6C3-43CF-ACE8-95E96DF02293"}, {"criteria": "cpe:2.3:a:w1.fi:hostapd:2.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6CCD4904-08CA-45C7-A3D0-90BE5C88CDBF"}, {"criteria": "cpe:2.3:a:w1.fi:hostapd:2.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2B4681FC-44F4-4E86-8431-8EDAD65492D0"}, {"criteria": "cpe:2.3:a:w1.fi:hostapd:2.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EC6FB535-AFFF-4083-AF1D-9E1ED504158F"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A10BC294-9196-425F-9FB0-B1625465B47F"}, {"criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}