Nullsoft Scriptable Install System up to 2.48 Protection Mechanism Version.dll input validation

Summaryinfo

A vulnerability was found in Nullsoft Scriptable Install System up to 2.48. It has been classified as problematic. Affected by this vulnerability is an unknown functionality in the library Version.dll of the component Protection Mechanism. The manipulation leads to input validation. This vulnerability is traded as CVE-2015-9268. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Nullsoft Scriptable Install System up to 2.48 and classified as problematic. This issue affects an unknown code block in the library Version.dll of the component Protection Mechanism. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Nullsoft Scriptable Install System (NSIS) before 2.49 has unsafe implicit linking against Version.dll. In other words, there is no protection mechanism in which a wrapper function resolves the dependency at an appropriate time during runtime.

The bug was discovered 11/24/2015. The weakness was shared 10/01/2018 (Website). It is possible to read the advisory at sourceforge.net. The identification of this vulnerability is CVE-2015-9268 since 10/01/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

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). The entry VDB-124618 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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CVSSv2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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