USN-3944-1

Dashboard / Vulnerabilities / USN-3944-1

USN-3944-1

Summary: wpa vulnerabilities

Details: It was discovered that wpa_supplicant and hostapd were vulnerable to a side channel attack against EAP-pwd. A remote attacker could possibly use this issue to recover certain passwords. (CVE-2019-9495) Mathy Vanhoef discovered that wpa_supplicant and hostapd incorrectly validated received scalar and element values in EAP-pwd-Commit messages. A remote attacker could possibly use this issue to perform a reflection attack and authenticate without the appropriate password. (CVE-2019-9497, CVE-2019-9498, CVE-2019-9499) It was discovered that hostapd incorrectly handled obtaining random numbers. In rare cases where the urandom device isn't available, it would fall back to using a low-quality PRNG. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-10743)

References: https://ubuntu.com/security/notices/USN-3944-1, https://ubuntu.com/security/CVE-2016-10743, https://ubuntu.com/security/CVE-2019-9495, https://ubuntu.com/security/CVE-2019-9497, https://ubuntu.com/security/CVE-2019-9498, https://ubuntu.com/security/CVE-2019-9499