CVE-2019-13377 — Vulnetix

CVE-2019-13377 PUBLISHED

The implementations of SAE and EAP-pwd in hostapd and wpa_supplicant 2.x through 2.8 are vulnerable to side-channel attacks as a result of observable timing differences and cache access patterns when Brainpool curves are used. An attacker may be able to gain leaked information from a side-channel attack that can be used for full password recovery.

EPSS 0.58% · 69.3th percentile

Risk Scores

EPSS Score

0.58%

69.3th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	wpa	0, 2.4-0ubuntu10, 2:2.4-1.1ubuntu1

Exploit Intelligence

Dragonblood: Design and Implementation Flaws in WPA3 and EAP-pwd (hackerone)
Dragonblood: Design and Implementation Flaws in WPA3 and EAP-pwd (hackerone)
Dragonblood: Design and Implementation Flaws in WPA3 and EAP-pwd (hackerone)

Timeline

CVE Published
May 5, 2020 PoC Published
Apr 14, 2021 EPSS Score
Aug 24, 2021 EPSS Score
Dec 27, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 28, 2022 EPSS Score
May 1, 2022 EPSS Score
Sep 4, 2022 EPSS Score
Jan 8, 2023 EPSS Score
Mar 11, 2023 EPSS Score
May 13, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2019-13377 third-party-advisory
https://wpa3.mathyvanhoef.com/#new third-party-advisory
https://w1.fi/security/2019-6/sae-eap-pwd-side-channel-attack-update.txt third-party-advisory
https://ubuntu.com/security/notices/USN-4098-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2019-13377 third-party-advisory

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