Improper Data Handling Affecting wpa package, versions <2.4-0ubuntu10
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-WPA-339375
- published9 May 2016
- disclosed9 May 2016
Introduced: 9 May 2016
CVE-2016-4477 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 wpa to version 2.4-0ubuntu10 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wpa package and not the wpa package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
wpa_supplicant 0.4.0 through 2.5 does not reject \n and \r characters in passphrase parameters, which allows local users to trigger arbitrary library loading and consequently gain privileges, or cause a denial of service (daemon outage), via a crafted (1) SET, (2) SET_CRED, or (3) SET_NETWORK command.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-4477
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4477
- https://security-tracker.debian.org/tracker/CVE-2016-4477
- http://source.android.com/security/bulletin/2016-05-01.html
- http://www.openwall.com/lists/oss-security/2016/05/03/12
- http://www.ubuntu.com/usn/USN-3455-1