Amazon Web Services FreeRTOS IP Header prvProcessIPPacket integer underflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Amazon Web Services FreeRTOS, FreeRTOS and WITTENSTEIN WHIS Connect Middleware. Impacted is the function prvProcessIPPacket of the component IP Header Handler. The manipulation leads to integer underflow. This vulnerability is traded as CVE-2018-16601. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Amazon Web Services FreeRTOS, FreeRTOS and WITTENSTEIN WHIS Connect Middleware (Middleware). This issue affects the function prvProcessIPPacket of the component IP Header Handler. The manipulation with an unknown input leads to a integer underflow vulnerability. Using CWE to declare the problem leads to CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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. A crafted IP header triggers a full memory space copy in prvProcessIPPacket, leading to denial of service and possibly remote code execution.

The bug was discovered 10/18/2018. The weakness was shared 12/06/2018 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-16601 since 09/06/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

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.

The entries VDB-127642, VDB-127643, VDB-127645 and VDB-127639 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 6.8
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 8.1
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: Integer underflow
CWE: CWE-191 / CWE-189
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-2018-16601 (🔍)
GCVE (CVE): GCVE-0-2018-16601
GCVE (VulDB): GCVE-100-127649
See also: 🔍

Entryinfo

Created: 12/07/2018 07:59
Updated: 04/18/2020 17:13
Changes: 12/07/2018 07:59 (61), 04/18/2020 17:13 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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