Interspire Email Marketer up to 6.1.6 File Upload surveys_submit.php unrestricted upload

Summaryinfo

A vulnerability, which was classified as critical, was found in Interspire Email Marketer up to 6.1.6. This impacts an unknown function of the file surveys_submit.php of the component File Upload. Such manipulation leads to unrestricted upload. This vulnerability is documented as CVE-2018-19550. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Interspire Email Marketer up to 6.1.6. Affected by this issue is some unknown functionality of the file surveys_submit.php of the component File Upload. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Interspire Email Marketer through 6.1.6 allows arbitrary file upload via a surveys_submit.php "create survey and submit survey" operation, which can cause a .php file to be accessible under a admin/temp/surveys/ URI.

The bug was discovered 11/19/2018. The weakness was released 11/26/2018 (Website). The advisory is shared for download at medium.com. This vulnerability is handled as CVE-2018-19550 since 11/25/2018. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1608.002.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:surveys_submit.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46864). Entries connected to this vulnerability are available at VDB-127135, VDB-127137, VDB-127138 and VDB-127139. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Interspire

Name

• Email Marketer

Version

• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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