Published:2015/07/29  Last Updated:2015/07/29

yoyaku_v41 vulnerable to OS command injection


yoyaku_v41 provided by Webservice-DIC contains an OS command injection vulnerability.

Products Affected

  • yoyaku_v41


yoyaku_v41 provided by Webservice-DIC is a software to manage conference room reservations. yoyaku_v41 contains an OS command injection vulnerability (CWE-78).


An arbitrary OS command may be executed with the privileges of the web server on the server where yoyaku_v41 is running.


Do not use yoyaku_v41
yoyaku_v41 is no longer being developed or maintained. It is recommended to stop using yoyaku_v41.

Vendor Status

Vendor Status Last Update Vendor Notes
Webservice-DIC Vulnerable 2015/07/29


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2015.07.29 (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) Specialized access conditions or extenuating circumstances do not exist.
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:7.5


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-2015-2979
JVN iPedia JVNDB-2015-000109