VDB-205531 · CVE-2022-35218 · GCVE-0-2022-35218

NHI Card Web Service 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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in NHI Card. The impacted element is an unknown function of the component Web Service. This manipulation causes out-of-bounds write. This vulnerability is handled as CVE-2022-35218. The attack can only be done within the local network. There is not any exploit available.

Detailsinfo

A vulnerability was found in NHI Card (the affected version is unknown). It has been declared as problematic. Affected by this vulnerability is an unknown code of the component Web Service. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

The NHI cardâ€™s web service component has a heap-based buffer overflow vulnerability due to insufficient validation for packet origin parameter length. A LAN attacker with general user privilege can exploit this vulnerability to disrupt service.

The weakness was released 08/03/2022. It is possible to read the advisory at twcert.org.tw. This vulnerability is known as CVE-2022-35218 since 07/05/2022. The technical details are unknown and an exploit is not publicly available.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Card

CPE 2.3info

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CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (TWCERT/CC): 🔍

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: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

07/05/2022 🔍
08/03/2022 +29 days 🔍
08/03/2022 +0 days 🔍
08/03/2022 +0 days 🔍

Sourcesinfo

Advisory: twcert.org.tw
Status: Not defined

CVE: CVE-2022-35218 (🔍)
GCVE (CVE): GCVE-0-2022-35218
GCVE (VulDB): GCVE-100-205531

Entryinfo

Created: 08/03/2022 10:57
Changes: 08/03/2022 10:57 (47)
Complete: 🔍
Cache ID: 216::103