Vulnerability CVE-2016-10743

Vulnerability Name:

CVE-2016-10743 (CCN-163577)

Assigned:

2019-03-23

Published:

2019-03-23

Updated:

2019-04-10

Summary:

hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): None Availibility (A): None

Vulnerability Type:

CWE-332

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2016-10743

Source: MISC
Type: UNKNOWN
http://packetstormsecurity.com/files/156573/Hostapd-Insufficient-Entropy.html

Source: FULLDISC
Type: UNKNOWN
20200227 Hostapd fails at seeding PRNGS, leading to insufficient entropy (CVE-2016-10743 and CVE-2019-10064)

Source: MLIST
Type: UNKNOWN
[oss-security] 20200227 Hostapd fails at seeding PRNGS, leading to insufficient entropy (CVE-2016-10743 and CVE-2019-10064)

Source: MLIST
Type: UNKNOWN
[oss-security] 20200227 Re: Hostapd fails at seeding PRNGS, leading to insufficient entropy (CVE-2016-10743 and CVE-2019-10064)

Source: XF
Type: UNKNOWN
hostapd-cve201610743-weak-security(163577)

Source: CCN
Type: Debian Mailing List, Thu, 28 Mar 2019 14:24:58 +0100
wpa security update

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20190328 [SECURITY] [DLA 1733-1] wpa security update

Source: UBUNTU
Type: UNKNOWN
USN-3944-1

Source: MISC
Type: Patch, Third Party Advisory
https://w1.fi/cgit/hostap/commit/?id=98a516eae8260e6fd5c48ddecf8d006285da7389

Source: CCN
Type: hostapd Web page
hostapd

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-10743

Vulnerable Configuration:

Configuration 1:

cpe:/a:w1.fi:hostapd:*:*:*:*:*:*:*:* (Version < 2.6)

Configuration CCN 1:

cpe:/a:w1.fi:hostapd:2.5:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:201610743000	V	CVE-2016-10743 on Ubuntu 18.04 LTS (bionic) - low.	2019-03-23
oval:com.ubuntu.cosmic:def:2016107430000000	V	CVE-2016-10743 on Ubuntu 18.10 (cosmic) - low.	2019-03-23
oval:com.ubuntu.cosmic:def:201610743000	V	CVE-2016-10743 on Ubuntu 18.10 (cosmic) - low.	2019-03-23
oval:com.ubuntu.bionic:def:2016107430000000	V	CVE-2016-10743 on Ubuntu 18.04 LTS (bionic) - low.	2019-03-23
oval:com.ubuntu.trusty:def:201610743000	V	CVE-2016-10743 on Ubuntu 14.04 LTS (trusty) - low.	2019-03-23
oval:com.ubuntu.xenial:def:2016107430000000	V	CVE-2016-10743 on Ubuntu 16.04 LTS (xenial) - low.	2019-03-23
oval:com.ubuntu.xenial:def:201610743000	V	CVE-2016-10743 on Ubuntu 16.04 LTS (xenial) - low.	2019-03-23

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