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CommuniGate Pro Server LDAP BER Decoding Vulnerabilities
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Secunia Advisory:
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SA18640
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Release Date:
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2006-01-30
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Last Update:
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2006-02-03
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Critical:
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Highly critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | CommuniGate Pro 5.x
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| | CVE reference: | CVE-2006-0468 (Secunia mirror)
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Description:
Evgeny Legerov has reported some vulnerabilities in CommuniGate Pro Server, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
The vulnerabilities are caused due to errors in the LDAP component during handling of negative length values in the Basic Encoding Rules (BER) length fields. This can be exploited to cause a DoS and may allow arbitrary code execution via a specially-crafted LDAP request.
The vulnerabilities have been reported in version 5.0.6. Prior versions may also be affected.
Solution:
Update to version 5.0.7.
Provided and/or discovered by:
Evgeny Legerov, GLEG Ltd.
Changelog:
2006-02-03: Added CVE reference.
Original Advisory:
CommuniGate Systems:
http://www.stalker.com/CommuniGatePro/History.html
GLEG Ltd.:
http://www.gleg.net/advisory_cg.shtml
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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3 Related Secunia Security Advisories
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1. CommuniGate Pro WebMail Script Insertion Vulnerability
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2. CommuniGate Pro POP Service Empty Inbox Denial of Service
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3. CommuniGate Pro Server LDAP DN Handling Denial of Service
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