CAPEC-641

DLL Side-Loading
Laag
Hoog
Stable
2018-07-31
00h00 +00:00
2020-07-30
00h00 +00:00
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Beschrijvingen CAPEC

An adversary places a malicious version of a Dynamic-Link Library (DLL) in the Windows Side-by-Side (WinSxS) directory to trick the operating system into loading this malicious DLL instead of a legitimate DLL. Programs specify the location of the DLLs to load via the use of WinSxS manifests or DLL redirection and if they aren't used then Windows searches in a predefined set of directories to locate the file. If the applications improperly specify a required DLL or WinSxS manifests aren't explicit about the characteristics of the DLL to be loaded, they can be vulnerable to side-loading.

Informatie CAPEC

Vereisten

The target must fail to verify the integrity of the DLL before using them.

Vereiste vaardigheden

Trick the operating system in loading a malicious DLL instead of a legitimate DLL.

Mitigaties

Prevent unknown DLLs from loading through using an allowlist policy.
Patch installed applications as soon as new updates become available.
Properly restrict the location of the software being used.
Use of sxstrace.exe on Windows as well as manual inspection of the manifests.
Require code signing and avoid using relative paths for resources.

Gerelateerde zwakheden

CWE-ID Zwakheidsnaam

CWE-706

Use of Incorrectly-Resolved Name or Reference
The product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.

Referenties

REF-501

DLL SIDE-LOADING: A Thorn in the Side of the Anti-Virus Industry
Stewart A..
https://www.fireeye.com/content/dam/fireeye-www/global/en/current-threats/pdfs/rpt-dll-sideloading.pdf

Indiening

Naam Organisatie Datum Releasedatum
CAPEC Content Team The MITRE Corporation 2018-07-31 +00:00

Wijzigingen

Naam Organisatie Datum Opmerking
CAPEC Content Team The MITRE Corporation 2019-04-04 +00:00 Updated Taxonomy_Mappings
CAPEC Content Team The MITRE Corporation 2020-07-30 +00:00 Updated Mitigations, Taxonomy_Mappings