Vulnerability Note VU#717380

Potential vulnerabilities in Qualcomm Eudora WorldMail Server LDAP handling code

Overview

The Qualcomm Eudora WorldMail Server may contain vulnerabilities that allow denial-of-service attacks, unauthorized privileged access, or both. These vulnerabilities were revealed using the PROTOS LDAPv3 test suite and are documented in CERT Advisory CA-2001-18. If your site uses this product, the CERT/CC encourages you to follow the advice provided below.

I. Description

While investigating the vulnerabilities reported by by the Oulu University Secure Programming Group (OUSPG), it was brought to our attention that the Eudora WorldMail Server may contain vulnerabilities that can be triggered via the PROTOS test suite. The CERT/CC has reported this possibility to Qualcomm and an investigation is pending.

II. Impact

The CERT/CC has not yet determined the impact of this vulnerability.

III. Solution

Apply a patch from your vendor

Please consult the Systems Affected section for vendor-specific information on addressing this vulnerability.

Block access to directory services at network perimeter

As a temporary measure, it is possible to limit the scope of these vulnerabilities by blocking access to directory services at the network perimeter. Please note that this workaround does not protect vulnerable products from internal attacks.

ldap 389/tcp # Lightweight Directory Access Protocol
ldap 389/udp # Lightweight Directory Access Protocol
ldaps 636/tcp # ldap protocol over TLS/SSL (was sldap)
ldaps 636/udp # ldap protocol over TLS/SSL (was sldap)

Systems Affected

Vendor	Status	Date Updated
QUALCOMM	Unknown	17-Jul-2001

References

http://www.ee.oulu.fi/research/ouspg/protos/testing/c06/ldapv3/
http://www.securityfocus.com/bid/3043
http://ciac.llnl.gov/ciac/bulletins/l-116.shtml

Credit

The CERT Coordination Center thanks the Oulu University Secure Programming Group for reporting these vulnerabilities to us, for their detailed technical analyses, and for their assistance in preparing this document.

This document was written by Jeffrey P. Lanza.

Other Information

Date Public	07/16/2001
Date First Published	07/16/2001 11:37:25 PM
Date Last Updated	12/12/2002
CERT Advisory	CA-2001-18
CVE Name	CAN-2001-1318
US-CERT Technical Alerts
Metric	0.00
Document Revision	27

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