TippingPoint IPS hex security bypass
| tippingpoint-hex-security-byass (35336) |  Low Risk |
Description:
TippingPoint IPS could allow a remote attacker to bypass security restrictions. A remote attacker could send a specially-crafted request containing hexadecimal-encoded alternate Unicode characters to bypass IPS signature detection.
*CVSS:
| Base Score: | 3.5 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 3 |
| Exploitability: | High |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Refer to 3COM-07-003 for patch, upgrade, or suggested workaround information. See References.
References:
- 3COM-07-003: TippingPoint IPS Extended Unicode Evasion.
- Full-Disclosure Mailing List, Tue Jul 10 2007 - 16:37:03 CDT: TippingPoint IPS Signature Evasion.
- BID-24855: TippingPoint IPS Unicode Character Detection Bypass Vulnerability
- CVE-2007-3701: TippingPoint IPS before 20070710 does not properly handle a hex-encoded alternate Unicode '/' (slash) character, which might allow remote attackers to send certain network traffic and avoid detection, as demonstrated by a cmd.exe attack.
- SA26013: 3Com TippingPoint IPS Extended Unicode Detection Bypass
- SECTRACK ID: 1018361: TippingPoint Intrusion Prevention System Alternate Unicode Character Encodings Lets Remote Users Evade Detection
- VUPEN/ADV-2007-2490: 3Com TippingPoint IPS Extended Unicode Processing Security Bypass Vulnerability
Platforms Affected:
- 3Com TippingPoint 1200
- 3Com TippingPoint 1200e
- 3Com TippingPoint 200
- 3Com TippingPoint 200E
- 3Com TippingPoint 2400E
- 3Com TippingPoint 400
- 3Com TippingPoint 50
- 3Com TippingPoint 5000E
- 3Com TippingPoint 600E
- 3Com TippingPoint IMS X505
- 3Com TippingPoint IMS X506
- 3Com TippingPoint IMS ZPHA
- 3Com TippingPoint IPS TOS 2.1
- 3Com TippingPoint IPS TOS 2.1.4.6324
- 3Com TippingPoint IPS TOS 2.2
- 3Com TippingPoint IPS TOS 2.2.1
- 3Com TippingPoint IPS TOS 2.2.1.6506
- 3Com TippingPoint IPS TOS 2.2.2
- 3Com TippingPoint IPS TOS 2.2.3
- 3Com TippingPoint IPS TOS 2.2.4
- 3Com TippingPoint IPS TOS 2.5
- 3Com TippingPoint IPS TOS 2.5.1
- 3Com TippingPoint SMS
Reported:
Jul 11, 2007
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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.