Vulnerability 7039 - CERT Civis.Net

Vulnerability Name:

CCN-7039

Published:

2001-08-22

Updated:

2001-08-22

Summary:

Microsoft Exchange Server using the Outlook Web Access (OWA) service are vulnerable to a denial of service attack. If a remote attacker enters a long string of "%" characters in the login field of the OWA page, and also enters a long string of "%" characters for the username and password in the NT challenge dialog box, the attacker can cause the IIS Administration and Web Publishing services to fail.

CVSS v3 Severity:

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Consequences:

Denial of Service

References:

Source: CCN
Type: BugTraq Mailing List, Wed Aug 22 2001 - 17:22:17 CDT
OWA over ssl shutting down IIS

Source: CCN
Type: BugTraq Mailing List, Thu Aug 23 2001 - 04:47:17 CDT
RE: OWA over ssl shutting down IIS

Source: CCN
Type: BugTraq Mailing List, Sat Aug 25 2001 - 10:10:58 CDT
Quick temporary fix for OWA DOS

Source: CCN
Type: BID-3223
Microsoft Outlook Web Access Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
exchange-owa-dos(7039)

Vulnerable Configuration:

Configuration CCN 1:

cpe:/a:microsoft:exchange_server:5.5:sp1:*:*:*:*:*:*

OR cpe:/a:microsoft:exchange_server:5.5:sp4:*:*:*:*:*:*

OR cpe:/a:microsoft:exchange_server:5.5:sp2:*:*:*:*:*:*

OR cpe:/a:microsoft:exchange_server:5.5:sp3:*:*:*:*:*:*

Denotes that component is vulnerable

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