CVE-2019-16275 Denial of service in n/a

What is CVE-2019-16275?

CVE-2019-16275 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 12 Sep 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-346

Which versions are affected by CVE-2019-16275?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, W1.fi Hostapd, W1.fi Wpa Supplicant.

How do I fix CVE-2019-16275?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-16275 being exploited?

There is no known exploitation of CVE-2019-16275 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2019-16275, AZL-6972, DEBIAN-CVE-2019-16275, DLA-1922-1, GHSA-96gq-6rhf-g9x2, MGASA-2020-0244 and 3 more.