3S-Smart CODESYS SP Realtime NT null pointer dereference

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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in 3S-Smart CODESYS SP Realtime NT, CODESYS Runtime Toolkit and CODESYS PLCWinNT. It has been classified as problematic. Affected by this vulnerability is an unknown functionality. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2019-19789. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in 3S-Smart CODESYS SP Realtime NT, CODESYS Runtime Toolkit and CODESYS PLCWinNT (unknown version). Affected by this vulnerability is an unknown code block. 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:

3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference.

The weakness was published 12/20/2019 (Website). The advisory is shared at customers.codesys.com. This vulnerability is known as CVE-2019-19789 since 12/13/2019. The exploitation appears to be easy. The attack can be launched remotely. The requirement for exploitation is a single authentication. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/13/2019 🔍
12/20/2019 +7 days 🔍
12/21/2019 +1 days 🔍
12/21/2019 +0 days 🔍

Sourcesinfo

Advisory: customers.codesys.com
Status: Not defined

CVE: CVE-2019-19789 (🔍)
GCVE (CVE): GCVE-0-2019-19789
GCVE (VulDB): GCVE-100-147565

Entryinfo

Created: 12/21/2019 08:48
Updated: 12/21/2019 08:53
Changes: 12/21/2019 08:48 (36), 12/21/2019 08:53 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!