Vulnerability identifier: #VU31745

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19326

CWE-ID: CWE-444

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SilverStripe Framework
Server applications / Frameworks for developing and running applications

Vendor: SilverStripe

Description

The vulnerability allows a remote attacker to perform cache poisoning attack.

The vulnerability exists due to improper input validation in the "X-Original-Url" and "X-HTTP-Method-Override" headers. A remote attacker can send a specially crated HTTP request and poison the cache.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SilverStripe Framework: 3.0.0 - 4.5.2

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External links
http://www.silverstripe.org/download/security-releases/CVE-2019-19326

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.