CVE-2019-9496
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
An invalid authentication sequence could result in the hostapd process terminating due to missing state validation steps when processing the SAE confirm message when in hostapd/AP mode. All version of hostapd with SAE support are vulnerable. An attacker may force the hostapd process to terminate, performing a denial of service attack. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are affected.
Overview
- CVE ID
- CVE-2019-9496
- Assigner
- cret@cert.org
- Vulnerability Status
- Modified
- Published Version
- 2019-04-17T14:29:03
- Last Modified Date
- 2019-05-15T22:29:02
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:* | 1 | OR | 2.7 | |
| cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:* | 1 | OR | 2.7 | |
| cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://w1.fi/security/2019-3/ | Patch Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/ | Mailing List Release Notes Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/ | Mailing List Release Notes Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/ | Mailing List Release Notes Third Party Advisory |
| https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc | |
| https://seclists.org/bugtraq/2019/May/40 | |
| http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html | |
| https://www.synology.com/security/advisory/Synology_SA_19_16 | |
| http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-9496 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9496 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:52:21 | Added to TrackCVE | |||
| 2022-12-03 19:38:49 | cert@cert.org | cret@cert.org | CVE Assigner | updated |
| 2022-12-03 19:38:49 | 2019-04-17T14:29Z | 2019-04-17T14:29:03 | CVE Published Date | updated |
| 2022-12-03 19:38:49 | 2019-05-15T22:29:02 | CVE Modified Date | updated | |
| 2022-12-03 19:38:49 | Modified | Vulnerability Status | updated |