Published:2012/04/05  Last Updated:2012/04/05

SENCHA SNS vulnerable to session fixation


SENCHA SNS contains a session fixation vulnerability.

Products Affected

  • SENCHA SNS 1.0.1 and earlier


SENCHA SNS is an open source SNS software. SENCHA SNS contains a session fixation vulnerability.


A remote, unauthenticated attacker may impersonate an honest user of the affected product. As a result, information may be altered or obtained.


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

Vendor Status


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.04.05

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file
  • Mid
Exploit Complexity some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)
  • Mid-High

Description of each analysis measures


Hiroshi Tokumaru of HASH Consulting Corp. 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-2012-1238
JVN iPedia JVNDB-2012-000030