VDB-206792 · CVE-2021-26254 · intel-sa-00621

Intel PROSet/Wireless WiFi/Killer WiFi out-of-bounds

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.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Intel PROSet, Wireless WiFi and Killer WiFi. This vulnerability affects unknown code. Such manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2021-26254. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Intel PROSet, Wireless WiFi and Killer WiFi (Wireless LAN Software) (unknown version). It has been rated as problematic. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

Out of bounds read for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user to potentially enable denial of service via local access.

The weakness was disclosed 08/19/2022 as intel-sa-00621. The advisory is shared for download at intel.com. This vulnerability is handled as CVE-2021-26254 since 12/09/2021. 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 09/18/2022).

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

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

Productinfo

Type

Wireless LAN Software

Vendor

Intel

Name

License

commercial

Website

Vendor: https://www.intel.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

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
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

12/09/2021 🔍
08/19/2022 +252 days 🔍
08/19/2022 +0 days 🔍
09/18/2022 +30 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00621
Status: Confirmed

CVE: CVE-2021-26254 (🔍)
GCVE (CVE): GCVE-0-2021-26254
GCVE (VulDB): GCVE-100-206792

Entryinfo

Created: 08/19/2022 13:50
Updated: 09/18/2022 13:40
Changes: 08/19/2022 13:50 (38), 09/18/2022 13:40 (11)
Complete: 🔍
Cache ID: 216::103