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CVE-2019-9495
CVE ID
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CVE-2019-9495
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
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.
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CVSS V3 Severity and Metrics
General Information
Vendors
- debian,
- fedoraproject,
- freebsd,
- opensuse,
- synology,
- w1.fi
Products
- backports sle 15.0,
- debian linux 8.0,
- fedora 28,
- fedora 29,
- fedora 30,
- freebsd 11.2,
- freebsd 12.0,
- hostapd,
- leap 15.1,
- radius server 3.0,
- router manager,
- wpa supplicant
References
Advisory
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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