Amazon Web Services FreeRTOS DHCP Response 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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5.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Amazon Web Services FreeRTOS, FreeRTOS and WITTENSTEIN WHIS Connect Middleware. The affected element is an unknown function of the component DHCP Response Handler. The manipulation results in information disclosure. This vulnerability is known as CVE-2018-16602. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Amazon Web Services FreeRTOS, FreeRTOS and WITTENSTEIN WHIS Connect Middleware (Middleware). Affected is an unknown code block of the component DHCP Response Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. Out of bounds memory access during parsing of DHCP responses in prvProcessDHCPReplies can be used for information disclosure.

The bug was discovered 10/18/2018. The weakness was published 12/06/2018 (GitHub Repository). The advisory is available at github.com. This vulnerability is traded as CVE-2018-16602 since 09/06/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

Similar entries are available at VDB-127642, VDB-127643, VDB-127645 and VDB-127639. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Amazon Web Services FreeRTOS up to 1.3.1
  • FreeRTOS up to 10.0.1
  • WITTENSTEIN WHIS Connect Middleware

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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

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

Physical: No
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: 🔍

Timelineinfo

09/06/2018 🔍
10/18/2018 +42 days 🔍
12/06/2018 +49 days 🔍
12/06/2018 +0 days 🔍
12/07/2018 +1 days 🔍
04/18/2020 +498 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-16602 (🔍)
GCVE (CVE): GCVE-0-2018-16602
GCVE (VulDB): GCVE-100-127650
See also: 🔍

Entryinfo

Created: 12/07/2018 08:00
Updated: 04/18/2020 17:18
Changes: 12/07/2018 08:00 (60), 04/18/2020 17:18 (2)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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