Vulnerability in W1.fi Hostapd
CVE-2019-16275
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- W1.fi Hostapd
- W1.fi Wpa Supplicant
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2019/09/11/7 (Mailing List, Third Party Advisory, Mitigation)
- w1.fi/security/2019-7/ (Patch, Vendor Advisory)
- w1.fi/security/2019-7/ap-mode-pmf-disconnection-protection-bypass.txt (Mitigation, Vendor Advisory)
- www.openwall.com/lists/oss-security/2019/09/12/6 (mailing-list, Mailing List, Third Party Advisory, Mitigation)
- lists.debian.org/debian-lts-announce/2019/09/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4136-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4136-2/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2019/dsa-4538 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Sep/56 (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-16275?
- CVE-2019-16275 is a medium-severity vulnerability in W1.fi Hostapd, classified under Origin Validation Error. CVSS score: 6.5/10. Published 2019-09-12.
- How severe is CVE-2019-16275?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-16275 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.