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CVE-2019-16275

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Date: September 12, 2019

hostapd before 2.10 and wpa_supplicant before 2.10 allow an incorrect indication of disconnection in certain situations because source address validation is mishandled. This is a denial of service that should have been prevented by PMF (aka management frame protection). The attacker must send a crafted 802.11 frame from a location that is within the 802.11 communications range.

Language: C

Severity Score

Related Resources (19)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B7NCLOPTZNRRNYODH22BFIDH6YIQWLJD/
https://w1.fi/security/2019-7/
https://lists.debian.org/debian-lts-announce/2019/09/msg00017.html
https://security-tracker.debian.org/tracker/CVE-2019-16275
https://seclists.org/bugtraq/2019/Sep/56
https://nvd.nist.gov/vuln/detail/CVE-2019-16275
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36G4XAZ644DMHBLKOL4FDSPZVIGNQY6U/
https://security.alpinelinux.org/vuln/CVE-2019-16275
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FEGITWRTIWABW54ANEPCEF4ARZLXGSK5/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-16275
http://www.openwall.com/lists/oss-security/2019/09/12/6
https://www.openwall.com/lists/oss-security/2019/09/11/7
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PBJXUKV6XMSELWNXPS37CSUIH5EUHFXQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HY6STGJIIROVNIU6VMB2WTN2Q5M65WF4/
https://usn.ubuntu.com/4136-1/
https://usn.ubuntu.com/4136-2/
https://w1.fi/security/2019-7/ap-mode-pmf-disconnection-protection-bypass.txt
https://www.debian.org/security/2019/dsa-4538
https://www.mend.io/vulnerability-database/CVE-2019-16275

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Origin Validation Error

CWE-346

Top Fix

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CVSS v3.1

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

CVSS v2

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

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