Vulnerability Name:

CVE-2019-5062 (CCN-172933)

Assigned:2019-12-11
Published:2019-12-11
Updated:2022-06-17
Summary:An exploitable denial-of-service vulnerability exists in the 802.11w security state handling for hostapd 2.6 connected clients with valid 802.11w sessions. By simulating an incomplete new association, an attacker can trigger a deauthentication against stations using 802.11w, resulting in a denial of service.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:3.3 Low (CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
6.1 Medium (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-346
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-5062

Source: XF
Type: UNKNOWN
w1fi-cve20195062-dos(172933)

Source: CCN
Type: Talos Vulnerability Report TALOS-2019-0850
W1.fi hostapd deauthentication denial-of-service vulnerability

Source: MISC
Type: Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0850

Source: CCN
Type: W1.fi Web site
hostapd

Vulnerable Configuration:Configuration 1:
  • cpe:/a:w1.fi:hostapd:2.6:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:w1.fi:hostapd:2.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:201950620000000
    V
    		CVE-2019-5062 on Ubuntu 19.04 (disco) - medium.
    2019-12-12
    oval:com.ubuntu.bionic:def:201950620000000
    V
    		CVE-2019-5062 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-12-12
    oval:com.ubuntu.xenial:def:201950620000000
    V
    		CVE-2019-5062 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-12-12
    BACK
    w1.fi hostapd 2.6
    w1.fi hostapd 2.6