CVE-2019-12203: Silverstripe/framework Session Fixation Vulnerability
MODERATECVE-2019-12203 is a MODERATE (CVSS 6.3) session fixation vulnerability (CWE-384: Session Fixation) affecting Silverstripe/framework libraries in the Packagist ecosystem. The issue involves session fixation in change password form. Remediation is available by upgrading affected packages to version 3.7.4, 4.4.4, 3.6.8, 4.3.5.
CVE-2019-12203 at a Glance
Security Impact
CVSS: 6.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
How to Fix CVE-2019-12203
To remediate this vulnerability, upgrade all affected Silverstripe/framework dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade silverstripe/framework to 3.7.4
Upgrade silverstripe/framework to 4.4.4
Upgrade silverstripe/framework to 3.6.8
Upgrade silverstripe/framework to 4.3.5
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for silverstripe/framework
How to Check if You Are Affected
To determine whether your application is affected by CVE-2019-12203, inspect your project dependencies for Silverstripe/framework:
inspect dependencies for silverstripe/framework
Analyze the terminal output to locate any version of Silverstripe/framework in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.7.4), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-384: Session Fixation, where authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. In Silverstripe/framework, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2019-12203 Affected Silverstripe/framework Versions
4 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
silverstripe/framework
|
Packagist |
≥ 3.7.0
< 3.7.4
|
3.7.4
|
|
silverstripe/framework
|
Packagist |
≥ 4.4.0
< 4.4.4
|
4.4.4
|
|
silverstripe/framework
|
Packagist |
≥ 3.6.0
< 3.6.8
|
3.6.8
|
|
silverstripe/framework
|
Packagist |
≥ 4.0.0
< 4.3.5
|
4.3.5
|
References
Frequently Asked Questions
What is CVE-2019-12203?
Which Silverstripe/framework versions are affected?
What version fixes CVE-2019-12203?
Is silverstripe/framework affected?
What is the CVSS score of CVE-2019-12203?
What CWE is associated with CVE-2019-12203?
How can I check Packagist dependencies for CVE-2019-12203?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-w7r7-r8r9-vrg2",
"modified" : "2021-08-18T22:28:15Z",
"published" : "2019-11-12T23:01:39Z",
"aliases" : [ "CVE-2019-12203" ],
"summary" : "Session fixation in change password form",
"details" : "SilverStripe through 4.3.3 allows session fixation in the \"change password\" form.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "silverstripe/framework"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.7.0"
}, {
"fixed" : "3.7.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "silverstripe/framework"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.4.0"
}, {
"fixed" : "4.4.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "silverstripe/framework"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.6.0"
}, {
"fixed" : "3.6.8"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "silverstripe/framework"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.0.0"
}, {
"fixed" : "4.3.5"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-12203"
}, {
"type" : "WEB",
"url" : "https://forum.silverstripe.org/c/releases"
}, {
"type" : "WEB",
"url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2019-12203.yaml"
}, {
"type" : "WEB",
"url" : "https://github.com/silverstripe/silverstripe-framework/blob/4/docs/en/04_Changelogs/4.4.4.md#444"
}, {
"type" : "WEB",
"url" : "https://www.silverstripe.org/download/security-releases"
}, {
"type" : "WEB",
"url" : "https://www.silverstripe.org/download/security-releases/CVE-2019-12203"
}, {
"type" : "WEB",
"url" : "https://www.silverstripe.org/download/security-releases/cve-2019-12203"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-384" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2019-11-12T22:50:24Z",
"nvd_published_at" : null
}
}