CWE-65: Windows Hard Link

ID CWE-65
Abstraction Variant
Structure Simple
Status Incomplete
Number of CVEs 6
The product, when opening a file or directory, does not sufficiently handle when the name is associated with a hard link to a target that is outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files.

Failure for a system to check for hard links can result in vulnerability to different types of attacks. For example, an attacker can escalate their privileges if a file used by a privileged program is replaced with a hard link to a sensitive file (e.g. AUTOEXEC.BAT). When the process opens the file, the attacker can assume the privileges of that process, or prevent the program from accurately processing data.

Modes of Introduction

Phase Note
Implementation
Operation

Applicable Platforms

Type Class Name Prevalence
Language Not Language-Specific
Operating_system Windows

Relationships

View Weakness
# ID View Status # ID Name Abstraction Structure Status
CWE-1000 Research Concepts Draft CWE-59 Improper Link Resolution Before File Access ('Link Following') Base Simple Draft

CVEs Published

CVSS Severity

CVSS Severity - By Year

CVSS Base Score

# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date
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