JVN#60931933: BIGACE vulnerable to session fixation

Overview

BIGACE contains a session fixation vulnerability.

Products Affected

BIGACE 2.7.7 and earlier

Description

BIGACE is a content management system (CMS). BIGACE contains a session fixation vulnerability.

Impact

A remote unauthenticated attacker may impersonate a registered user. As a result, information disclosure or alteration may be possible.

Solution

Update the Software
Apply the latest update according to the information provided by the developer.

Vendor Status

Vendor	Link
BIGACE	Bigace 2.7.8

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.11.21

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

Credit

Yuji Tounai of bogus.jp reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE	CVE-2012-5173
JVN iPedia	JVNDB-2012-000104

Update History

2012/12/10: Information under the section "Credit" was modified.

JVN#60931933 BIGACE vulnerable to session fixation