ZyXEL USG50/NWA3560-N ICMPv4 Port Unreachable Packet resource management
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in ZyXEL USG50 and NWA3560-N and classified as problematic. Affected by this vulnerability is an unknown functionality of the component ICMPv4 Port Unreachable Packet Handler. The manipulation leads to resource management. This vulnerability is listed as CVE-2016-10227. The attack may be initiated remotely. There is no available exploit. It is recommended to apply restrictive firewalling.
Details
A vulnerability was found in ZyXEL USG50 and NWA3560-N (the affected version unknown). It has been rated as problematic. This issue affects an unknown part of the component ICMPv4 Port Unreachable Packet Handler. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:
Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a denial of service (CPU consumption) via a flood of ICMPv4 Port Unreachable packets.
The bug was discovered 04/01/2017. The weakness was presented 02/21/2017 (Website). It is possible to read the advisory at zyxel.com. The identification of this vulnerability is CVE-2016-10227 since 02/18/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.
Addressing this vulnerability is possible by firewalling icmp.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97105†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
License
Website
- Vendor: https://www.zyxel.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: FirewallStatus: 🔍
0-Day Time: 🔍
Firewalling: 🔍
Timeline
02/18/2017 🔍02/21/2017 🔍
02/21/2017 🔍
02/21/2017 🔍
02/21/2017 🔍
02/23/2017 🔍
04/01/2017 🔍
Sources
Vendor: zyxel.comAdvisory: zyxel.com
Status: Not defined
CVE: CVE-2016-10227 (🔍)
GCVE (CVE): GCVE-0-2016-10227
GCVE (VulDB): GCVE-100-97163
SecurityFocus: 97105 - Multiple Zyxel Products CVE-2016-10227 Remote Denial of Service Vulnerability
OSVDB: - CVE-2016-10227 - Zyxel - Multiple Products - BlackNurse Issue
Entry
Created: 02/21/2017 16:53Changes: 02/21/2017 16:53 (62)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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