VDB-127644 · CVE-2018-16527 · GCVE-0-2018-16527

Amazon Web Services FreeRTOS prvProcessICMPPacket ICMP Packet 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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Amazon Web Services FreeRTOS, FreeRTOS and WITTENSTEIN WHIS Connect Middleware. It has been declared as problematic. Affected by this vulnerability is the function prvProcessICMPPacket. The manipulation as part of ICMP Packet results in information disclosure. This vulnerability is cataloged as CVE-2018-16527. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Amazon Web Services FreeRTOS, FreeRTOS and WITTENSTEIN WHIS Connect Middleware (Middleware). It has been classified as problematic. Affected is the function prvProcessICMPPacket. The manipulation as part of a ICMP Packet 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. CVE summarizes:

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 allow information disclosure during parsing of ICMP packets in prvProcessICMPPacket.

The bug was discovered 10/18/2018. The weakness was shared 12/06/2018 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-16527 since 09/05/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

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 $0-$5k.

Upgrading eliminates this vulnerability.

The entries VDB-127642, VDB-127643, VDB-127645 and VDB-127639 are related to this item. Once again VulDB remains the best source for vulnerability data.

Affected

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

Productinfo

Type

Middleware

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/05/2018 🔍
10/18/2018 +43 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-2018-16527 (🔍)
GCVE (CVE): GCVE-0-2018-16527
GCVE (VulDB): GCVE-100-127644
See also: 🔍

Entryinfo

Created: 12/07/2018 07:57
Updated: 04/18/2020 16:46
Changes: 12/07/2018 07:57 (60), 04/18/2020 16:46 (2)
Complete: 🔍
Cache ID: 216::103