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SilverStripe CSV Excel Macro Injection

Moderate severity GitHub Reviewed Published May 14, 2022 to the GitHub Advisory Database • Updated Apr 25, 2024

Package

composer silverstripe/framework (Composer)

Affected versions

< 3.5.6
>= 3.6.0, < 3.6.3
>= 4.0.0, < 4.0.1

Patched versions

3.5.6
3.6.3
4.0.1

Description

In the CSV export feature of SilverStripe before 3.5.6, 3.6.x before 3.6.3, and 4.x before 4.0.1, it's possible for the output to contain macros and scripts, which may be executed if imported without sanitization into common software (including Microsoft Excel). For example, the CSV data may contain untrusted user input from the "First Name" field of a user's /myprofile page.

References

Published by the National Vulnerability Database Jan 23, 2018
Published to the GitHub Advisory Database May 14, 2022
Last updated Apr 25, 2024
Reviewed Apr 25, 2024

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS score

0.187%
(56th percentile)

Weaknesses

CVE ID

CVE-2017-18049

GHSA ID

GHSA-2jvj-mhf2-g99w

Source code

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