A vulnerability classified as critical has been found in Microsoft Windows 7 (Operating System). Affected is an unknown code block of the component DLL Loader. The manipulation as part of a Search Path leads to a untrusted search path vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Untrusted search path vulnerability in Windows 7 allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

The bug was discovered 02/28/2019. The weakness was presented 03/12/2019 (Website). The advisory is available at jvn.jp. This vulnerability is traded as CVE-2019-5921 since 01/10/2019. Local access is required to approach this attack. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/31/2023). 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 12 days. During that time the estimated underground price was around $5k-$25k.

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

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 7

License

• commercial

Support

• end of life (old version)

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