Published:2015/02/25  Last Updated:2015/02/25

SYNCK GRAPHICA Mailform Pro CGI vulnerable to remote code execution


Mailform Pro CGI provided by SYNCK GRAPHICA contains a remote code execution vulnerability.

Products Affected

  • Mailform Pro CGI 4.1.4 to 4.1.5
According to the developer, Mailform Pro CGI is affected when MailAuth module is enabled.


Mailform Pro CGI provided by SYNCK GRAPHICA contains a flaw in the process of sending emails, which may result in an arbitrary code execution.


Arbitrary code may be executed on the server.


Update the Software
Update to the latest version according to the information provided by the developer.

Apply a workaround
The following workaround may mitigate the affects of this vulnerability.

  • Disable MailAuth module

Vendor Status

Vendor Status Last Update Vendor Notes
SYNCK GRAPHICA Vulnerable 2015/02/25


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2015.02.25 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) The access conditions are somewhat specialized.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is considerable informational disclosure. Access to some system files is possible, but the attacker does not have control over what is obtained, or the scope of the loss is constrained.
Integrity Impact(I) None (N) Partial (P) Complete (C) Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.
Availability Impact(A) None (N) Partial (P) Complete (C) There is reduced performance or interruptions in resource availability.

Base Score:6.8


Shoji Baba reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2015-0883
JVN iPedia JVNDB-2015-000026