UNARJ32.DLL up to 1.10.1.25 DLL Loader untrusted search path

Summaryinfo

A vulnerability labeled as problematic has been found in UNARJ32.DLL up to 1.10.1.25. This issue affects some unknown processing of the component DLL Loader. Executing a manipulation can lead to untrusted search path. This vulnerability is tracked as CVE-2019-5912. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in UNARJ32.DLL up to 1.10.1.25 and classified as problematic. This vulnerability affects an unknown part of the component DLL Loader. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Untrusted search path vulnerability in the installer of UNARJ32.DLL (UNARJ32.DLL for Win32 Ver 1.10.1.25 and earlier) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

The bug was discovered 01/31/2019. The weakness was disclosed 02/13/2019 (Website). The advisory is available at jvn.jp. This vulnerability was named CVE-2019-5912 since 01/10/2019. Local access is required to approach this attack. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-130881 and VDB-130883 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• UNARJ32.DLL

Version

• 1.10.1.0
• 1.10.1.1
• 1.10.1.2
• 1.10.1.3
• 1.10.1.4
• 1.10.1.5
• 1.10.1.6
• 1.10.1.7
• 1.10.1.8
• 1.10.1.9
• 1.10.1.10
• 1.10.1.11
• 1.10.1.12
• 1.10.1.13
• 1.10.1.14
• 1.10.1.15
• 1.10.1.16
• 1.10.1.17
• 1.10.1.18
• 1.10.1.19
• 1.10.1.20
• 1.10.1.21
• 1.10.1.22
• 1.10.1.23
• 1.10.1.24
• 1.10.1.25

CPE 2.3info

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CPE 2.2info

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

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