Hancom HCell 12.0.0.893 on Windows buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Hancom HCell 12.0.0.893 on Windows. It has been rated as critical. Affected by this issue is some unknown functionality. This manipulation causes buffer overflow. This vulnerability is tracked as CVE-2023-40250. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Hancom HCell 12.0.0.893 on Windows and classified as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Hancom HCell on Windows allows Overflow Buffers.This issue affects HCell: 12.0.0.893.

The weakness was disclosed 01/12/2024. The advisory is shared at hancom.com. This vulnerability is known as CVE-2023-40250 since 08/11/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/12/2024).

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

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

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (KrCERT/CC): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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

08/11/2023 🔍
01/12/2024 +154 days 🔍
01/12/2024 +0 days 🔍
01/12/2024 +0 days 🔍

Sourcesinfo

Advisory: hancom.com
Status: Confirmed

CVE: CVE-2023-40250 (🔍)
GCVE (CVE): GCVE-0-2023-40250
GCVE (VulDB): GCVE-100-250537

Entryinfo

Created: 01/12/2024 07:46
Changes: 01/12/2024 07:46 (48)
Complete: 🔍
Cache ID: 216::103

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

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