Huawei USG9500 V500R001C30/V500R001C60 X.509 buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Huawei USG9500 V500R001C30/V500R001C60. This vulnerability affects unknown code of the component X.509 Handler. This manipulation causes buffer overflow. The identification of this vulnerability is CVE-2019-5274. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Huawei USG9500 V500R001C30/V500R001C60. Affected by this vulnerability is an unknown functionality of the component X.509 Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect availability. The summary by CVE is:

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 an infinite loop, an attacker may exploit the vulnerability via a malicious certificate to perform a denial of service attack on the affected products.

The weakness was shared 12/26/2019 (Website). It is possible to read the advisory at huawei.com. This vulnerability is known as CVE-2019-5274 since 01/04/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (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.

The entries VDB-147798 and VDB-147800 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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: 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-2019-5274 (🔍)
GCVE (CVE): GCVE-0-2019-5274
GCVE (VulDB): GCVE-100-147799
See also: 🔍

Entryinfo

Created: 12/27/2019 09:06
Updated: 03/17/2024 14:22
Changes: 12/27/2019 09:06 (38), 12/27/2019 09:11 (17), 03/17/2024 14:22 (3)
Complete: 🔍
Cache ID: 216::103

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