VulnerabilityModified
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.
HIGH 7.5EPSS 2.86%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.86% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- w1.fi/hostapd · w1.fi/wpa supplicant · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2016/05/03/12Mailing List, Third Party Advisory
- http://www.ubuntu.com/usn/USN-3455-1Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/03/12Mailing List, Third Party Advisory
- http://www.ubuntu.com/usn/USN-3455-1Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.