VDB-123097 · CVE-2017-17311 · sa-20180813-01

Huawei USG2205BSR/USG2220BSR/USG5120BSR/USG5150BSR IPsec IKEv1 Crafted Packet input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Huawei USG2205BSR, USG2220BSR, USG5120BSR and USG5150BSR. The impacted element is an unknown function of the component IPsec IKEv1 Handler. This manipulation as part of Crafted Packet causes input validation. This vulnerability is tracked as CVE-2017-17311. The attack is possible to be carried out remotely. No exploit exists. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability has been found in Huawei USG2205BSR, USG2220BSR, USG5120BSR and USG5150BSR (affected version not known) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component IPsec IKEv1 Handler. The manipulation as part of a Crafted Packet leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR V300R001C00 have a DoS vulnerability in the IPSEC IKEv1 implementations of Huawei Firewall products. Due to improper handling of the malformed messages, an attacker may sent crafted packets to the affected device to exploit these vulnerabilities. Successful exploit the vulnerability could lead to device deny of service.

The bug was discovered 08/13/2018. The weakness was disclosed 08/21/2018 (Website). The advisory is shared at huawei.com. This vulnerability is known as CVE-2017-17311 since 12/03/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/04/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $5k-$25k.

Proper firewalling of is able to address this issue.

The entries VDB-123096 and VDB-123098 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Huawei

Name

License

commercial

Website

Vendor: https://www.huawei.com/

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/03/2017 🔍
08/13/2018 +252 days 🔍
08/21/2018 +7 days 🔍
08/21/2018 +0 days 🔍
08/22/2018 +1 days 🔍
05/04/2023 +1716 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20180813-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-17311 (🔍)
GCVE (CVE): GCVE-0-2017-17311
GCVE (VulDB): GCVE-100-123097
See also: 🔍

Entryinfo

Created: 08/22/2018 06:57
Updated: 05/04/2023 07:34
Changes: 08/22/2018 06:57 (58), 03/17/2020 10:01 (2), 05/04/2023 07:34 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.