Authenticator-Extension Authenticator up to 7.0.0 weak password encoding

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Authenticator-Extension Authenticator up to 7.0.0. It has been rated as critical. The impacted element is an unknown function. The manipulation leads to weak password encoding. This vulnerability is uniquely identified as CVE-2024-45394. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Authenticator-Extension Authenticator up to 7.0.0. This issue affects an unknown function. The manipulation with an unknown input leads to a weak password encoding vulnerability. Using CWE to declare the problem leads to CWE-261. Obscuring a password with a trivial encoding does not protect the password. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Authenticator is a browser extensions 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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2024-45394 since 08/28/2024. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

Upgrading to version 8.0.0 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (GitHub_M): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Weak password encoding
CWE: CWE-261 / CWE-257 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Authenticator 8.0.0

Timelineinfo

08/28/2024 🔍
09/03/2024 +6 days 🔍
09/03/2024 +0 days 🔍
09/17/2024 +14 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2024-45394 (🔍)
GCVE (CVE): GCVE-0-2024-45394
GCVE (VulDB): GCVE-100-276437

Entryinfo

Created: 09/03/2024 22:48
Updated: 09/17/2024 19:30
Changes: 09/03/2024 22:48 (62), 09/05/2024 05:47 (1), 09/17/2024 19:30 (11)
Complete: 🔍
Cache ID: 216::103

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