VDB-210025 · CVE-2022-39837 · GCVE-0-2022-39837

COVESA DLT Daemon 2.18.8 DLT File 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.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in COVESA DLT Daemon 2.18.8. This affects an unknown part of the component DLT File Handler. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2022-39837. Furthermore, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic was found in COVESA DLT Daemon 2.18.8. Affected by this vulnerability is an unknown code of the component DLT File 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 weakness was published 09/30/2022. The advisory is shared at seclists.org. This vulnerability is known as CVE-2022-39837. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at seclists.org. It is declared as proof-of-concept.

Applying the patch 855e0017a980d2990c16f7dbf3b4983b48fac272 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Vendor

COVESA

Name

DLT Daemon

Version

2.18.8

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 855e0017a980d2990c16f7dbf3b4983b48fac272

Timelineinfo

09/05/2022 🔍
09/30/2022 +25 days 🔍
09/30/2022 +0 days 🔍
06/28/2024 +637 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Confirmed

CVE: CVE-2022-39837 (🔍)
GCVE (CVE): GCVE-0-2022-39837
GCVE (VulDB): GCVE-100-210025
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/30/2022 16:32
Updated: 06/28/2024 02:28
Changes: 09/30/2022 16:32 (42), 10/29/2022 08:53 (2), 10/29/2022 08:54 (11), 06/28/2024 02:28 (16)
Complete: 🔍
Cache ID: 216::103