Title: ACS Blog Administrative Access Authentication Bypass Vulnerability
Severity: MODERATE
Description:
ACS Blog is Web blog software implemented in ASP.
ACS Blog is vulnerable to an authentication bypass vulnerability. This issue is due to a design flaw whereby remote administrative access is granted by a specific client-side cookie value.
Specifically, the software decides if a remote user has administrative privileges based on the existence of the 'ACSBlog12345' cookie being set to 'in'. The file 'inc_login_check.asp' is responsible for setting the 'ihaveadminright' variable based on the existence of this cookie.
Remote attackers may gain administrative access to the software, potentially altering, or destroying the data contained in it. Other attacks may also be possible.
Versions from 0.8 through to 1.1.3, as well as the commercial version are all reported vulnerable.
Affected Products:
- ASP Press ACS Blog 0.8.0
- ASP Press ACS Blog 0.9.0
- ASP Press ACS Blog 1.0.0
- ASP Press ACS Blog 1.0.1
- ASP Press ACS Blog 1.0.2
- ASP Press ACS Blog 1.0.3
- ASP Press ACS Blog 1.1.0
- ASP Press ACS Blog 1.1.0b
- ASP Press ACS Blog 1.1.1
- ASP Press ACS Blog 1.1.2
- ASP Press ACS Blog 1.1.3
- ASP Press ACS Blog Commercial Version 1.1.0
References:
- ASP Press: ACS Blog Homepage
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