Nullsoft Scriptable Install System up to 2.48 Temp Folder access control

Summaryinfo

A vulnerability was found in Nullsoft Scriptable Install System up to 2.48 and classified as problematic. Affected is an unknown function of the component Temp Folder Handler. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2015-9267. The attack requires local access. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Nullsoft Scriptable Install System up to 2.48 and classified as problematic. This vulnerability affects an unknown code of the component Temp Folder Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Nullsoft Scriptable Install System (NSIS) before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files. This allows a local attack in which either a plugin or the uninstaller can be replaced by a Trojan horse program.

The bug was discovered 11/24/2015. The weakness was presented 10/01/2018 (Website). The advisory is available at sourceforge.net. This vulnerability was named CVE-2015-9267 since 10/01/2018. Local access is required to approach this attack. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1042 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119312 (Debian DLA-1602-1 : nsis security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176850 (Debian Security Update for nsis (DLA 1602-1)).

Upgrading to version 2.49 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119312). See VDB-124619 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Nullsoft

Name

• Scriptable Install System

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32
• 2.33
• 2.34
• 2.35
• 2.36
• 2.37
• 2.38
• 2.39
• 2.40
• 2.41
• 2.42
• 2.43
• 2.44
• 2.45
• 2.46
• 2.47
• 2.48

License

• free

Support

• end of life

Website

• Vendor: http://www.nullsoft.com/

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

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

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