Vulnerability · Published Sep 3, 2024 · Assigned by GitHub_M

CVE-2024-45394Secret encryption vulnerable to brute-force attacks

High 8.8

In plain English

A high-severity broken cryptography in Authenticator from Authenticator-Extension. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 0% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)<0.1%top 99.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Authenticator is a browser extension that generates two-step verification codes. In versions 7.0.0 and below, encryption keys for user data were stored encrypted at-rest using only AES-256 and the EVP_BytesToKey KDF. Therefore, attackers with a copy of a user's data are able to brute-force the user's encryption key. Users on version 8.0.0 and above are automatically migrated away from the weak encoding on first login. Users should destroy encrypted backups made with versions prior to 8.0.0.

Affected products (as reported)

VendorProductVersions
Authenticator-Extension Authenticator < 8.0.0

Weakness: CWE-261, CWE-327 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References