ZyXEL P-660HW V3 TTL IP Packet resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in ZyXEL P-660HW V3. This affects an unknown function of the component TTL Handler. The manipulation with the input 1 as part of IP Packet results in resource consumption. This vulnerability is cataloged as CVE-2017-17901. The attack may be launched remotely. There is no exploit available. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in ZyXEL P-660HW V3 (Router Operating System). It has been classified as problematic. Affected is an unknown function of the component TTL Handler. The manipulation with the input value 1 leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

ZyXEL P-660HW v3 devices allow remote attackers to cause a denial of service (CPU consumption) via a flood of IP packets with a TTL of 1.

The bug was discovered 12/24/2017. The weakness was shared 12/29/2017 (Website). The advisory is available at packetstormsecurity.com. This vulnerability is traded as CVE-2017-17901 since 12/24/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

It is possible to mitigate the weakness by firewalling .

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB 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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/24/2017 🔍
12/24/2017 +0 days 🔍
12/29/2017 +5 days 🔍
12/29/2017 +0 days 🔍
12/30/2017 +1 days 🔍
01/19/2023 +1846 days 🔍

Sourcesinfo

Vendor: zyxel.com

Advisory: 145548
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-17901 (🔍)
GCVE (CVE): GCVE-0-2017-17901
GCVE (VulDB): GCVE-100-111174

Entryinfo

Created: 12/30/2017 11:56
Updated: 01/19/2023 14:41
Changes: 12/30/2017 11:56 (60), 12/18/2019 15:58 (2), 01/19/2023 14:41 (4)
Complete: 🔍
Cache ID: 216::103

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