VDB-118636 · CVE-2018-7949 · sa-20180530-03

Huawei Server Intelligent Baseboard Management Controller Password improper authentication

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.
8.0	$5k-$25k	0.00

Summaryinfo

A vulnerability classified as critical was found in Huawei Server. Affected by this issue is some unknown functionality of the component Intelligent Baseboard Management Controller. Executing a manipulation can lead to improper authentication (Password). This vulnerability is handled as CVE-2018-7949. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Huawei Server (version unknown). It has been declared as critical. This vulnerability affects an unknown function of the component Intelligent Baseboard Management Controller. The manipulation with an unknown input leads to a improper authentication vulnerability (Password). The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The iBMC (Intelligent Baseboard Management Controller) of some Huawei servers have a privilege escalation vulnerability. A remote attacker may send some specially crafted login messages to the affected products. Due to improper authentication design, successful exploit enables low privileged users to get or modify passwords of highly privileged users.

The bug was discovered 05/30/2018. The weakness was released 06/01/2018 (Website). The advisory is shared for download at huawei.com. This vulnerability was named CVE-2018-7949 since 03/09/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 03/19/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 2 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-118638 and VDB-118637. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Huawei

Name

Server

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Password
Class: Improper authentication / Password
CWE: CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2018 🔍
05/30/2018 +82 days 🔍
06/01/2018 +1 days 🔍
06/01/2018 +0 days 🔍
06/02/2018 +1 days 🔍
03/19/2023 +1751 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20180530-03
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7949 (🔍)
GCVE (CVE): GCVE-0-2018-7949
GCVE (VulDB): GCVE-100-118636
See also: 🔍

Entryinfo

Created: 06/02/2018 10:33
Updated: 03/19/2023 14:27
Changes: 06/02/2018 10:33 (57), 02/11/2020 21:03 (2), 03/19/2023 14:27 (3)
Complete: 🔍
Cache ID: 216::103