A vulnerability classified as critical has been found in Zeta Components Mail up to 1.8.1. This affects the function ezcMailMtaTransport of the file -X/path/to/wwwroot/file.php.. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2 does not properly restrict the set of characters used in the ezcMail returnPath property, which might allow remote attackers to execute arbitrary code via a crafted email address, as demonstrated by one containing "-X/path/to/wwwroot/file.php."

The bug was discovered 11/16/2017. The weakness was released 11/15/2017 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2017-15806 since 10/23/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 1.8.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (43155).

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• Zeta

Name

• Components Mail

Version

• 1.8.0
• 1.8.1

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CPE 2.2info

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