VDB-140952 · CVE-2019-15702 · Issue 12086

RIOT up to 2019.07 TCP Implementation gnrc_tcp_option.c TCP Options resource management

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in RIOT up to 2019.07. This impacts an unknown function of the file sys/net/gnrc/transport_layer/tcp/gnrc_tcp_option.c of the component TCP Implementation. The manipulation as part of TCP Options results in resource management. This vulnerability is reported as CVE-2019-15702. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in RIOT up to 2019.07. Affected is an unknown function of the file sys/net/gnrc/transport_layer/tcp/gnrc_tcp_option.c of the component TCP Implementation. The manipulation as part of a TCP Options leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

In the TCP implementation (gnrc_tcp) in RIOT through 2019.07, the parser for TCP options does not terminate on all inputs, allowing a denial-of-service, because sys/net/gnrc/transport_layer/tcp/gnrc_tcp_option.c has an infinite loop for an unknown zero-length option.

The weakness was disclosed 08/27/2019. This vulnerability is traded as CVE-2019-15702 since 08/27/2019. The exploitability is told to be easy. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

RIOT

Version

2019.07

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/27/2019 🔍
08/27/2019 +0 days 🔍
08/28/2019 +1 days 🔍
12/07/2023 +1562 days 🔍

Sourcesinfo

Advisory: 12086
Status: Not defined

CVE: CVE-2019-15702 (🔍)
GCVE (CVE): GCVE-0-2019-15702
GCVE (VulDB): GCVE-100-140952

Entryinfo

Created: 08/28/2019 07:13
Updated: 12/07/2023 08:39
Changes: 08/28/2019 07:13 (36), 08/07/2020 11:51 (17), 12/07/2023 08:39 (4)
Complete: 🔍
Cache ID: 216::103