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Vulnerability of Ingres: incorrect authentication

Synthesis of the vulnerability 

Under Windows, the second user who logs into Ingres is connected as the first user.
Impacted products: Ingres Database.
Severity of this bulletin: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 20/12/2007.
Revision date: 27/12/2007.
Références of this threat: 415703, BID-2695, CAID 35970, CERTA-2007-AVI-558, CVE-2007-6334, VIGILANCE-VUL-7437.

Description of the vulnerability 

The Microsoft IIS web server supports IWA (Integrated Windows Authentication) authentication. Two vulnerabilities related to this authentication affect Ingres.

With Ingres r3 and Ingres 2006, when a user is connected, and if another user authenticates, an error occurs and his access is rejected. [severity:2/4]

With Ingres 2.6 and 2.5, when a user is connected, and if another user authenticates, he accesses to the account of the first user. [severity:2/4],
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This computer vulnerability bulletin impacts software or systems such as Ingres Database.

Our Vigil@nce team determined that the severity of this vulnerability bulletin is medium.

The trust level is of type confirmed by a trusted third party, with an origin of user account.

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this threat note.

Solutions for this threat 

Ingres: patch.
A patch is available:
  http://servicedesk.ingres.com/CAisd/pdmweb.ingres?OP=SHOW_DETAIL+PERSID=KD:415703+HTMPL=kt_document_view.htmpl
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