tpm2-tools up to 1.1.0 HMAC Password information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in tpm2-tools up to 1.1.0. It has been classified as problematic. This affects an unknown part of the component HMAC Handler. The manipulation leads to information disclosure (Password). This vulnerability is uniquely identified as CVE-2017-7524. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in tpm2-tools up to 1.1.0 and classified as problematic. Affected by this issue is an unknown functionality of the component HMAC Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (Password). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. CVE summarizes:

tpm2-tools versions before 1.1.1 are vulnerable to a password leak due to transmitting password in plaintext from client to server when generating HMAC.

The bug was discovered 06/27/2017. The weakness was released 06/27/2017 (GitHub Repository). The advisory is available at github.com. This vulnerability is handled as CVE-2017-7524 since 04/05/2017. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 1.1.1 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.6
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Password
Class: Information disclosure / Password
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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: tpm2-tools 1.1.1
Patch: github.com

Timelineinfo

04/05/2017 🔍
06/27/2017 +83 days 🔍
06/27/2017 +0 days 🔍
06/27/2017 +0 days 🔍
06/28/2017 +1 days 🔍
12/09/2022 +1990 days 🔍

Sourcesinfo

Advisory: c5d72beaab1cbbbe68271f4bc4b6670d69985157
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7524 (🔍)
GCVE (CVE): GCVE-0-2017-7524
GCVE (VulDB): GCVE-100-102866

Entryinfo

Created: 06/28/2017 07:54 AM
Updated: 12/09/2022 10:43 AM
Changes: 06/28/2017 07:54 AM (58), 10/20/2019 08:58 PM (2), 12/09/2022 10:43 AM (5)
Complete: 🔍
Cache ID: 18:C8A:40

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