VDB-147800 · CVE-2019-5275 · sa-20191225-01

Huawei USG9500 V500R001C30/V500R001C60 X.509 out-of-bounds write

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.
7.4	$5k-$25k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Huawei USG9500 V500R001C30/V500R001C60. This issue affects some unknown processing of the component X.509 Handler. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2019-5275. It is possible to launch the attack remotely. No exploit is available. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Huawei USG9500 V500R001C30/V500R001C60. Affected by this issue is some unknown functionality of the component X.509 Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in a heap buffer overflow when decoding a certificate, an attacker may exploit the vulnerability by a malicious certificate to perform a denial of service attack on the affected products.

The weakness was published 12/26/2019 (Website). The advisory is shared for download at huawei.com. This vulnerability is handled as CVE-2019-5275 since 01/04/2019. The attack may be launched remotely. No form of authentication is required for 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 12/27/2019).

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

Similar entries are available at VDB-147798 and VDB-147799. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Huawei

Name

USG9500

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: Out-of-bounds write
CWE: CWE-787 / CWE-119
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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2019 🔍
12/26/2019 +356 days 🔍
12/27/2019 +1 days 🔍
03/17/2024 +1542 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20191225-01
Status: Not defined

CVE: CVE-2019-5275 (🔍)
GCVE (CVE): GCVE-0-2019-5275
GCVE (VulDB): GCVE-100-147800
See also: 🔍

Entryinfo

Created: 12/27/2019 09:06 AM
Updated: 03/17/2024 02:25 PM
Changes: 12/27/2019 09:06 AM (38), 12/27/2019 09:11 AM (17), 03/17/2024 02:25 PM (3)
Complete: 🔍
Cache ID: 244:FB6:40