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SilverStripe Priviledge escalation through cache pollution

Low severity GitHub Reviewed Published Nov 12, 2019 to the GitHub Advisory Database • Updated Feb 5, 2024

Package

composer silverstripe/framework (Composer)

Affected versions

>= 4.4.0, < 4.4.4
>= 4.3.0, < 4.3.5

Patched versions

4.4.4
4.3.5

Description

In SilverStripe through 4.3.3, there is access escalation for CMS users with limited access through permission cache pollution.

References

Reviewed Nov 12, 2019
Published to the GitHub Advisory Database Nov 12, 2019
Last updated Feb 5, 2024

Severity

Low

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
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
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:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

EPSS score

0.081%
(36th percentile)

Weaknesses

No CWEs

CVE ID

CVE-2019-12617

GHSA ID

GHSA-6r58-4xgr-gm6m

Source code

No known source code
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