3.7
LOW
CVE-2019-9495
Hostapd/Wpa_Supplicant EAP-PWD Cache Timing Attack
Description

The implementations of EAP-PWD in hostapd and wpa_supplicant are vulnerable to side-channel attacks as a result of cache access patterns. All versions of hostapd and wpa_supplicant with EAP-PWD support are vulnerable. The ability to install and execute applications is necessary for a successful attack. Memory access patterns are visible in a shared cache. Weak passwords may be cracked. Versions of hostapd/wpa_supplicant 2.7 and newer, are not vulnerable to the timing attack described in CVE-2019-9494. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected.

INFO

Published Date :

April 17, 2019, 2:29 p.m.

Last Modified :

Nov. 7, 2023, 3:13 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2019-9495 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Synology router_manager
2 Synology radius_server
1 Opensuse leap
2 Opensuse backports_sle
1 W1.fi hostapd
2 W1.fi wpa_supplicant
1 Fedoraproject fedora
1 Debian debian_linux
1 Freebsd freebsd
: Total Affected Vendor : 6 | Products : 9
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-9495.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html Mailing List Third Party Advisory
http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/
https://seclists.org/bugtraq/2019/May/40 Mailing List Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc Third Party Advisory
https://w1.fi/security/2019-2/ Patch Vendor Advisory
https://www.synology.com/security/advisory/Synology_SA_19_16 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-9495 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-9495 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference CERT/CC https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/ [No types assigned]
    Added Reference CERT/CC https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/ [No types assigned]
    Added Reference CERT/CC https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/ [No types assigned]
    Removed Reference CERT/CC https://lists.fedoraproject.org/archives/list/[email protected]/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/
    Removed Reference CERT/CC https://lists.fedoraproject.org/archives/list/[email protected]/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/
    Removed Reference CERT/CC https://lists.fedoraproject.org/archives/list/[email protected]/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/
  • Modified Analysis by [email protected]

    Nov. 03, 2021

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html Mailing List, Third Party Advisory
    Changed Reference Type http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html No Types Assigned http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html Third Party Advisory, VDB Entry
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html Mailing List, Third Party Advisory
    Changed Reference Type https://seclists.org/bugtraq/2019/May/40 No Types Assigned https://seclists.org/bugtraq/2019/May/40 Mailing List, Third Party Advisory
    Changed Reference Type https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc No Types Assigned https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc Third Party Advisory
    Changed Reference Type https://www.synology.com/security/advisory/Synology_SA_19_16 No Types Assigned https://www.synology.com/security/advisory/Synology_SA_19_16 Third Party Advisory
    Removed CWE NIST CWE-327
    Added CWE NIST CWE-203
    Added CPE Configuration OR *cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:* *cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:synology:radius_server:3.0:*:*:*:*:*:*:* *cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.3-8017 *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:11.2:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p4:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p6:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p7:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p8:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p9:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:rc3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Feb. 16, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE CERT/CC CWE-524
  • CVE Modified by [email protected]

    Aug. 01, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 15, 2019

    Action Type Old Value New Value
    Added Reference https://www.synology.com/security/advisory/Synology_SA_19_16 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 15, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 15, 2019

    Action Type Old Value New Value
    Added Reference https://seclists.org/bugtraq/2019/May/40 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 15, 2019

    Action Type Old Value New Value
    Added Reference https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 10, 2019

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/ Mailing List, Release Notes, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/ Mailing List, Release Notes, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/ Mailing List, Release Notes, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 28, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 23, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 19, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type https://w1.fi/security/2019-2/ No Types Assigned https://w1.fi/security/2019-2/ Patch, Vendor Advisory
    Added CWE CWE-327
    Added CPE Configuration OR *cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:* versions up to (including) 2.7 *cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:* versions up to (including) 2.7
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-9495 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-9495 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.78 }} 0.02%

score

0.81753

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: