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CVE-2015-4146

Date: June 15, 2015

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.

Language: Python

Severity Score

Related Resources (11)

http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html
http://www.debian.org/security/2015/dsa-3397
https://nvd.nist.gov/vuln/detail/CVE-2015-4146
https://security.gentoo.org/glsa/201606-17
http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt
http://www.openwall.com/lists/oss-security/2015/05/09/6
https://security-tracker.debian.org/tracker/CVE-2015-4146
http://www.ubuntu.com/usn/USN-2650-1
http://w1.fi/security/2015-4/0005-EAP-pwd-peer-Fix-asymmetric-fragmentation-behavior.patch
http://www.openwall.com/lists/oss-security/2015/05/31/6
https://www.mend.io/vulnerability-database/CVE-2015-4146

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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