Improper input validation in W1.fi Hostapd
CVE-2016-4476
hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \n and \r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- W1.fi Hostapd
- W1.fi Wpa Supplicant
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.04
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2016/05/03/12 (mailing-list, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-3455-1 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4476?
- CVE-2016-4476 is a high-severity vulnerability in W1.fi Hostapd, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-05-09.
- How severe is CVE-2016-4476?
- High severity. CVSS v3 base score is 7.5 out of 10.