CVE-2019-16275

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.90% Top 30%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory w1.fi Vendor Advisory w1.fi
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.openwall.com/lists/oss-security/2019/09/11/7 mailing list mitigation third party advisory
https://w1.fi/security/2019-7/ patch vendor advisory
https://w1.fi/security/2019-7/ap-mode-pmf-disconnection-protection-bypass.txt mitigation vendor advisory
http://www.openwall.com/lists/oss-security/2019/09/12/6 mailing list mitigation third party advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00017.html third party advisory mailing list
https://usn.ubuntu.com/4136-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4136-2/ third party advisory vendor advisory
https://www.debian.org/security/2019/dsa-4538 third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Sep/56 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36G4XAZ644DMHBLKOL4FDSPZVIGNQY6U/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FEGITWRTIWABW54ANEPCEF4ARZLXGSK5/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PBJXUKV6XMSELWNXPS37CSUIH5EUHFXQ/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B7NCLOPTZNRRNYODH22BFIDH6YIQWLJD/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HY6STGJIIROVNIU6VMB2WTN2Q5M65WF4/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-16275?
CVE-2019-16275 has been scored as a medium severity vulnerability.
How to fix CVE-2019-16275?
To fix CVE-2019-16275, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-16275 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-16275 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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