Huawei USG2205BSR/USG2220BSR/USG5120BSR/USG5150BSR IPsec IKEv1 Bleichenbacher cryptographic issue

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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Huawei USG2205BSR, USG2220BSR, USG5120BSR and USG5150BSR. The affected element is an unknown function of the component IPsec IKEv1 Handler. The manipulation results in cryptographic issue (Bleichenbacher). This vulnerability is identified as CVE-2017-17305. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Huawei USG2205BSR, USG2220BSR, USG5120BSR and USG5150BSR (affected version unknown). Affected is an unknown functionality of the component IPsec IKEv1 Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability (Bleichenbacher). CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR V300R001C00 have a Bleichenbacher Oracle vulnerability in the IPSEC IKEv1 implementations. Remote attackers can decrypt IPSEC tunnel ciphertext data by leveraging a Bleichenbacher RSA padding oracle. Cause a Bleichenbacher oracle attack. Successful exploit this vulnerability can impact IPSec tunnel security.

The bug was discovered 08/13/2018. The weakness was released 08/21/2018 (Website). The advisory is shared for download at huawei.com. This vulnerability is traded as CVE-2017-17305 since 12/03/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/04/2023). The MITRE ATT&CK project declares the attack technique as T1600.

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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-123097 and VDB-123098. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Bleichenbacher
Class: Cryptographic issue / Bleichenbacher
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
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-2017-17305 (🔍)
GCVE (CVE): GCVE-0-2017-17305
GCVE (VulDB): GCVE-100-123096
See also: 🔍

Entryinfo

Created: 08/22/2018 06:56
Updated: 05/04/2023 07:27
Changes: 08/22/2018 06:56 (58), 03/17/2020 09:57 (2), 05/04/2023 07:27 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!