CVE-2019-12203 Session fixation in change password form

What is CVE-2019-12203?

CVE-2019-12203 is a medium-severity authentication bypass vulnerability in Silverstripe Silverstripe, published on 25 Sep 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

SilverStripe through 4.3.3 allows session fixation in the "change password" form.

Weakness: CWE-384

Which versions are affected by CVE-2019-12203?

8 open source packages ship an affected version, including silverstripe/framework. It affects 1 product.

Products include Silverstripe Silverstripe.

How do I fix CVE-2019-12203?

Upgrade silverstripe/framework to a fixed version for your release line: 3.6.8, 3.7.4, 4.3.5 or 4.4.4.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-12203 being exploited?

There is no known exploitation of CVE-2019-12203 in the wild and no public exploit code.

Other vulnerabilities in Silverstripe Silverstripe

• CVE-2007-2321 Other in n/a Critical 10.0
• CVE-2019-12204 Missing warning can lead to unauthenticated admin access in SilverStripe Critical 9.8
• CVE-2019-5715 Silverstripe Framework SQLi Vulnerability Critical 9.8
• CVE-2019-12437 Silverstripe CSRF Protection Bypass via GraphQL High 8.8
• CVE-2020-6164 Silverstripe CMS information disclosure High 7.5

All Silverstripe Silverstripe vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-w7r7-r8r9-vrg2.