CVE-2019-12245 Lack of access control on upoaded files

What is CVE-2019-12245?

CVE-2019-12245 is a medium-severity missing authorization vulnerability in Silverstripe Silverstripe, published on 25 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SilverStripe through 4.3.3 has incorrect access control for protected files uploaded via Upload::loadIntoFile(). An attacker may be able to guess a filename in silverstripe/assets via the AssetControlExtension.

Weakness: CWE-732

Which versions are affected by CVE-2019-12245?

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

Products include Silverstripe Silverstripe.

How do I fix CVE-2019-12245?

Upgrade silverstripe/framework to a fixed version for your release line: 3.6.8, 3.7.4, 4.3.6 or 4.4.4.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-12245 being exploited?

There is no known exploitation of CVE-2019-12245 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-jvx5-rm6q-gx7p.