Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| W1.Fi | Hostapd | >= 0.6.7, <= 2.5 |
| W1.Fi | Wpa Supplicant | >= 0.6.7, <= 2.5 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/05/03/12Mailing ListThird Party Advisory
- http://www.ubuntu.com/usn/USN-3455-1Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/03/12Mailing ListThird Party Advisory
- http://www.ubuntu.com/usn/USN-3455-1Third Party Advisory
FAQ
What is CVE-2016-4476?
CVE-2016-4476 is a vulnerability with a CVSS score of 7.5 (HIGH). 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) v...
How severe is CVE-2016-4476?
CVE-2016-4476 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-4476?
Check the references section above for vendor advisories and patch information. Affected products include: W1.Fi Hostapd, W1.Fi Wpa Supplicant, Canonical Ubuntu Linux.