Vulnerability in Freebsd
CVE-2019-9494
The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side channel attacks as a result of observable timing differences and cache access patterns. An attacker may be able to gain leaked information from a side channel…
EPSS: 0.037 (88.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Freebsd — versions 11.2, 12.0
- Synology Radius_server — versions 3.0
- Synology Router_manager
- W1.fi Hostapd
- W1.fi Wpa_supplicant
- Wi-fi Alliance Hostapd With Sae Support — versions 2.7
- Wi-fi Alliance Wpa_supplicant With Sae Support — versions 2.7
- Fedoraproject Fedora — versions 28, 29, 30
- Opensuse Backports_sle — versions 15.0
- Opensuse Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cret@cert.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cret@cert.org (x_refsource_CONFIRM, Third Party Advisory)
- cret@cert.org (x_refsource_FEDORA, vendor-advisory)
- cret@cert.org (x_refsource_FEDORA, vendor-advisory)
- cret@cert.org (x_refsource_FEDORA, vendor-advisory)
- cret@cert.org (x_refsource_FREEBSD, vendor-advisory, Third Party Advisory)
- cret@cert.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- cret@cert.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
- cret@cert.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2019-9494?
- CVE-2019-9494 is a medium-severity vulnerability in Freebsd, classified under CWE-208. CVSS score: 5.9/10. Published 2019-04-17.
- How severe is CVE-2019-9494?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2019-9494 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.