Nullsoft Scriptable Install System 2.49 Uninstaller Directory access control

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Nullsoft Scriptable Install System. Impacted is an unknown function of the component Uninstaller Directory Handler. The manipulation leads to access control. This vulnerability is traded as CVE-2023-37378. An attack has to be approached locally. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Nullsoft Scriptable Install System. It has been rated as critical. This issue affects an unknown functionality of the component Uninstaller Directory Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.

The weakness was shared 07/04/2023 as 281e2851fe669d10e0650fc89d0e7fb74a598967. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-37378 since 07/03/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 3.09 eliminates this vulnerability. The upgrade is hosted for download at sourceforge.net. Applying the patch 281e2851fe669d10e0650fc89d0e7fb74a598967 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-41280). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Scriptable Install System 3.09
Patch: 281e2851fe669d10e0650fc89d0e7fb74a598967

Timelineinfo

07/03/2023 🔍
07/04/2023 +1 days 🔍
07/04/2023 +0 days 🔍
01/18/2026 +928 days 🔍

Sourcesinfo

Vendor: nullsoft.com

Advisory: 281e2851fe669d10e0650fc89d0e7fb74a598967
Status: Confirmed

CVE: CVE-2023-37378 (🔍)
GCVE (CVE): GCVE-0-2023-37378
GCVE (VulDB): GCVE-100-232919
EUVD: 🔍

Entryinfo

Created: 07/04/2023 07:26
Updated: 01/18/2026 00:23
Changes: 07/04/2023 07:26 (43), 07/23/2023 06:29 (10), 01/18/2026 00:23 (17)
Complete: 🔍
Cache ID: 216::103

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

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