Honeyd ipfrag.c information disclosure
| honeyd-ipfrag-obtain-information (24728) |  Low Risk |
Description:
Honeyd could allow a local or remote attacker to obtain sensitive information, caused by a vulnerability in ipfrag.c. ipfrag.c responds differently to illegal fragments when a virtual host is present. A local or remote attacker could exploit this vulnerability to determine the existence of virtual hosts. An attacker could use this information to launch further attacks against the affected system.
*CVSS:
| Base Score: | 3.5 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | None |
| Availability Impact: | None |
| Temporal Score: | 2.6 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Obtain Information
Remedy:
Upgrade to the latest version of Honeyd (1.5 or later), available from the Honeyd Web site. See References.
References:
- Honeyd Security Advisory 2006-001: Remote Detection Via Multiple Probe Packets.
- Honeyd Web site: Honeyd Release 0.8.
- BID-16595: Honeyd IP Reassembly Remote Virtual Host Detection Vulnerability
- CVE-2006-0752: Niels Provos Honeyd before 1.5 replies to certain illegal IP packet fragments that other IP stack implementations would drop, which allows remote attackers to identify IP addresses that are being simulated using honeyd.
- SA18867: Honeyd IP Reassembly Remote Detection Weakness
- VUPEN/ADV-2006-0552: Honeyd IP Reassembly Remote Virtual Hosts Detection Vulnerability
Platforms Affected:
- Niels Provos Honeyd prior to 1.5
Reported:
Feb 13, 2006
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
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.