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ubuntuUbuntuUSN-4136-2
HistorySep 18, 2019 - 12:00 a.m.

wpa_supplicant and hostapd vulnerability

2019-09-1800:00:00
ubuntu.com
66

3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.8 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

57.4%

JSON

Releases

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • wpa - client support for WPA and WPA2
  • wpasupplicant - client support for WPA and WPA2

Details

USN-4136-1 fixed a vulnerability in wpa_supplicant. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that wpa_supplicant incorrectly handled certain management
frames. An attacker could possibly use this issue to cause a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchhostapd< 1:2.1-0ubuntu1.7+esm2UNKNOWN
Ubuntu14.04noarchhostapd< 1:2.1-0ubuntu1.7UNKNOWN
Ubuntu14.04noarchhostapd-dbgsym< 1:2.1-0ubuntu1.7UNKNOWN
Ubuntu14.04noarchwpagui< 2.1-0ubuntu1.7UNKNOWN
Ubuntu14.04noarchwpagui-dbgsym< 2.1-0ubuntu1.7UNKNOWN
Ubuntu14.04noarchwpasupplicant< 2.1-0ubuntu1.7UNKNOWN
Ubuntu14.04noarchwpasupplicant-dbgsym< 2.1-0ubuntu1.7UNKNOWN
Ubuntu14.04noarchwpasupplicant-udeb< 2.1-0ubuntu1.7UNKNOWN
Ubuntu14.04noarchwpasupplicant-udeb-dbgsym< 2.1-0ubuntu1.7UNKNOWN
Ubuntu14.04noarchwpasupplicant< 2.1-0ubuntu1.7+esm2UNKNOWN
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3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.8 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

57.4%

JSON
Related for USN-4136-2
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