VDB-98521 · CVE-2017-7243 · BID 97193

Eclipse tinydtls 0.8.2 DTLS null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Eclipse tinydtls 0.8.2 and classified as problematic. Impacted is an unknown function of the component DTLS Handler. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2017-7243. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Eclipse tinydtls 0.8.2. It has been declared as problematic. Affected by this vulnerability is an unknown part of the component DTLS Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

Eclipse tinydtls 0.8.2 for Eclipse IoT allows remote attackers to cause a denial of service (DTLS peer crash) by sending a "Change cipher spec" packet without pre-handshake.

The bug was discovered 03/24/2017. The weakness was released 03/24/2017 (GitHub Repository). The advisory is shared at gist.github.com. This vulnerability is known as CVE-2017-7243 since 03/23/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97193†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/23/2017 🔍
03/24/2017 +1 days 🔍
03/24/2017 +0 days 🔍
03/24/2017 +0 days 🔍
03/24/2017 +0 days 🔍
03/24/2017 +0 days 🔍
09/14/2020 +1270 days 🔍

Sourcesinfo

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2017-7243 (🔍)
GCVE (CVE): GCVE-0-2017-7243
GCVE (VulDB): GCVE-100-98521
SecurityFocus: 97193 - Eclipse tinydtls CVE-2017-7243 Denial of Service Vulnerability
OSVDB: - CVE-2017-7243 - Eclipse - tinydtls - Denial of Service Issue

Entryinfo

Created: 03/24/2017 19:01
Updated: 09/14/2020 09:08
Changes: 03/24/2017 19:01 (57), 09/14/2020 09:08 (4)
Complete: 🔍
Cache ID: 216::103

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

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