XNSoft Nconvert 7.136 Image File buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in XNSoft Nconvert 7.136. This impacts an unknown function of the component Image File Handler. This manipulation causes buffer overflow. This vulnerability appears as CVE-2023-43251. The attack may be initiated remotely. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in XNSoft Nconvert 7.136 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Image File Handler. 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 weakness was presented 10/17/2023. It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2023-43251. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Upgrading to version 7.155 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-47670). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nconvert 7.155

Timelineinfo

09/18/2023 🔍
10/17/2023 +29 days 🔍
10/17/2023 +0 days 🔍
02/04/2026 +841 days 🔍

Sourcesinfo

Advisory: 175145
Status: Confirmed

CVE: CVE-2023-43251 (🔍)
GCVE (CVE): GCVE-0-2023-43251
GCVE (VulDB): GCVE-100-242383
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/17/2023 08:31
Updated: 02/04/2026 12:42
Changes: 10/17/2023 08:31 (41), 11/03/2023 17:26 (3), 11/03/2023 17:33 (11), 02/04/2026 12:42 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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