SEOmatic Plugin up to 3.2.48 on Craft CMS URL helpers/DynamicMeta.php injection

Summaryinfo

A vulnerability classified as critical was found in SEOmatic Plugin up to 3.2.48 on Craft CMS. The impacted element is an unknown function of the file helpers/DynamicMeta.php of the component URL Handler. Executing a manipulation can lead to injection. This vulnerability appears as CVE-2020-12790. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in SEOmatic Plugin up to 3.2.48 on Craft CMS. This vulnerability affects an unknown function of the file helpers/DynamicMeta.php of the component URL Handler. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the SEOmatic plugin before 3.2.49 for Craft CMS, helpers/DynamicMeta.php does not properly sanitize the URL. This leads to Server-Side Template Injection and credentials disclosure via a crafted Twig template after a semicolon.

The weakness was presented 05/11/2020. This vulnerability was named CVE-2020-12790 since 05/11/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1055.

By approaching the search of inurl:helpers/DynamicMeta.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.2.49 eliminates this vulnerability.

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Productinfo

Name

• SEOmatic Plugin

Version

• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5
• 3.2.6
• 3.2.7
• 3.2.8
• 3.2.9
• 3.2.10
• 3.2.11
• 3.2.12
• 3.2.13
• 3.2.14
• 3.2.15
• 3.2.16
• 3.2.17
• 3.2.18
• 3.2.19
• 3.2.20
• 3.2.21
• 3.2.22
• 3.2.23
• 3.2.24
• 3.2.25
• 3.2.26
• 3.2.27
• 3.2.28
• 3.2.29
• 3.2.30
• 3.2.31
• 3.2.32
• 3.2.33
• 3.2.34
• 3.2.35
• 3.2.36
• 3.2.37
• 3.2.38
• 3.2.39
• 3.2.40
• 3.2.41
• 3.2.42
• 3.2.43
• 3.2.44
• 3.2.45
• 3.2.46
• 3.2.47
• 3.2.48

CPE 2.3info

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CPE 2.2info

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