Microsoft Outlook Web Access for Exchange Server 'redir.asp' URI Redirection Vulnerability

BID:31765

Info

Microsoft Outlook Web Access for Exchange Server 'redir.asp' URI Redirection Vulnerability

Bugtraq ID: 31765
Class: Input Validation Error
CVE: CVE-2008-1547
Remote: Yes
Local: No
Published: Oct 15 2008 12:00AM
Updated: Jun 05 2019 11:00AM
Credit: Martin Suess
Vulnerable: Microsoft Exchange Server 2003 SP2
Microsoft Exchange Server 2003 SP1
Microsoft Exchange Server 2003 SP1
Microsoft Exchange Server 2003
Not Vulnerable: Microsoft Exchange Server 2007 SP 1

Discussion

Microsoft Outlook Web Access for Exchange Server 'redir.asp' URI Redirection Vulnerability

Outlook Web Access is prone to a remote URI-redirection vulnerability because the application fails to properly sanitize user-supplied input.

A successful exploit may aid in phishing attacks.

OWA 6.5 SP 2 is vulnerable; other versions may also be affected.

Exploit / POC

Microsoft Outlook Web Access for Exchange Server 'redir.asp' URI Redirection Vulnerability

An attacker can exploit this issue by enticing an unsuspecting victim into following a malicious URI.

The following example URIs are available:

https://webmail.example.com/exchweb/bin/redir.asp?URL=http://www.example2.com

https://webmail.example.com/CookieAuth.dll?GetLogon?url=%2Fexchweb%2Fbin%2Fredir.asp%3FURL%3Dhttp%3A%2F%2Fwww.example2.com&reason=0

Solution / Fix

Microsoft Outlook Web Access for Exchange Server 'redir.asp' URI Redirection Vulnerability

Solution:
This issue is reported to be fixed in Outlook Exchange Server 2007 SP1; Symantec has not been able to confirm this information.

References

Microsoft Outlook Web Access for Exchange Server 'redir.asp' URI Redirection Vulnerability

References:

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