Novell eDirectory NCP buffer overflow
| edirectory-ncp-bo (29768) |  High Risk |
Description:
Novell eDirectory is vulnerable to a heap-based buffer overflow, caused by improper bounds checking in the NCP functionality. By sending a specially-crafted packet, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.
*CVSS:
| Base Score: | 10 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 7.4 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
For Windows distributions:
Refer to Novell Technical Information Document TID2974592 for patch, upgrade, or suggested workaround information. See References.
For Unix/Linux distributions:
Refer to Novell Technical Information Document TID2974600 for patch, upgrade, or suggested workaround information. See References.
References:
- iDefense Labs PUBLIC ADVISORY: 10.21.06: Novell eDirectory NCP over IP length Heap Overflow Vulnerability.
- Novell TID2974592: eDirectory Post 8.8.1 FTF1 for NW & Win32.
- Novell TID2974600: eDirectory Post 8.8.1 FTF1 for Linux\Unix.
- Novell, Inc. Web site: eDirectory.
- BID-20664: Novell eDirectory NCP Packet Processing Remote Heap Overflow Vulnerability
- CVE-2006-4177: Heap-based buffer overflow in the NCP engine in Novell eDirectory before 8.8.1 FTF1 allows remote attackers to execute arbitrary code via a crafted NCP over IP packet that causes NCP to read more data than intended.
- SA22506: Novell eDirectory Multiple Vulnerabilities
- SECTRACK ID: 1017104: Novell eDirectory NCP Over IP and evtFilteredMonitorEventsRequest() Overflows Let Remote Users Execute Arbitrary Code
- VUPEN/ADV-2006-4142: Novell eDirectory Requests Handling Buffer and Integer Overflow Vulnerabilities
Platforms Affected:
- Novell eDirectory 8.8
- Novell eDirectory 8.8.1
Reported:
Oct 21, 2006
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For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.