Published:2009/05/11  Last Updated:2009/05/12

SQL injection vulnerability in SKIP from SKIP User Group


SKIP from SKIP User Group contains a SQL injection vulnerability.

Products Affected

  • SKIP ver.1.0.2 and earlier
  • SKIP ver.1.1RC2 and earlier


SKIP from SKIP User Group is an open source SNS (Social Networking Service) software. SKIP contains a SQL injection vulnerability.


Contents created by SKIP can be altered or information saved by SKIP can be obtained by a user that can login to SKIP.


Update the software
Update to the latest version according to the information provided by the vendor.

Vendor Status

Vendor Link
SKIP User Group SKIP ver1.1.0 to be released (Japanese Only)


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2009.05.11

Measures Conditions Severity
Access Required Routed - can be attacked over the Internet using packets
  • High
Authentication Limited - self-registration, perhaps valid e-mail
  • Medium-High
User Interaction Required None - the vulnerability can be exploited without an honest user taking any action
  • High
Exploit Complexity Low-Medium - some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)
  • Medium-High

Description of each analysis measures


Gaku Mochizuki of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendor under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2009-1909
JVN iPedia JVNDB-2009-000026

Update History