VDB-210026 · CVE-2022-39836 · GCVE-0-2022-39836

COVESA DLT Daemon 2.18.8 DLT File Parser heap-based overflow

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in COVESA DLT Daemon 2.18.8. This vulnerability affects unknown code of the component DLT File Parser. Such manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2022-39836. Additionally, an exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in COVESA DLT Daemon 2.18.8. Affected by this issue is an unknown code block of the component DLT File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was released 09/30/2022. The advisory is available at seclists.org. This vulnerability is handled as CVE-2022-39836. Technical details are unknown but a public exploit is available.

The exploit is available 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 5.5
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
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-2022-39836 (🔍)
GCVE (CVE): GCVE-0-2022-39836
GCVE (VulDB): GCVE-100-210026
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/30/2022 16:34
Updated: 06/28/2024 02:28
Changes: 09/30/2022 16:34 (42), 10/29/2022 08:56 (2), 10/29/2022 08:58 (10), 06/28/2024 02:28 (16)
Complete: 🔍
Cache ID: 216::103