Insecure parsing of Windows paths with a \??\ prefix in path/filepath
CVE-2023-45283

7.5HIGH

Key Information:

Vendor

Go Standard Library

Status
Path/filepath
Internal/safefilepath
Vendor
CVE Published:
9 November 2023

What is CVE-2023-45283?

The filepath package in Go fails to handle paths with a ??\ prefix correctly, allowing access to arbitrary locations on Windows systems. Before the fix, paths such as ??\c:\x could be converted improperly, leading to potential security risks. The updates restore proper handling of these paths, ensuring that functions like Clean and Join do not inadvertently expose sensitive directories through incorrect path resolution.

Affected Version(s)

internal/safefilepath windows 0 < 1.20.11

internal/safefilepath windows 1.21.0-0 < 1.21.4

path/filepath windows 0 < 1.20.11

References

https://go.dev/issue/63713
https://go.dev/cl/540277
https://groups.google.com/g/golang-announce/c/4tU8LZfBFkY

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.