VDB-217587 · CVE-2022-2483 · icsa-22-307-02

Nokia ASIK AirScale System Module 474021A.101/474021A.102 Firmware Verification assumed-immutable data is stored in writable memory

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	$0-$5k	0.00

Summaryinfo

A vulnerability classified as very critical has been found in Nokia ASIK AirScale System Module 474021A.101/474021A.102. The impacted element is an unknown function of the component Firmware Verification Handler. Performing a manipulation results in assumed-immutable data is stored in writable memory. This vulnerability is reported as CVE-2022-2483. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Nokia ASIK AirScale System Module 474021A.101/474021A.102. This affects some unknown processing of the component Firmware Verification Handler. The manipulation with an unknown input leads to a assumed-immutable data is stored in writable memory vulnerability. CWE is classifying the issue as CWE-1282. Immutable data, such as a first-stage bootloader, device identifiers, and "write-once" configuration settings are stored in writable memory that can be re-programmed or updated in the field. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The bootloader in the Nokia ASIK AirScale system module (versions 474021A.101 and 474021A.102) loads public keys for firmware verification signature. If an attacker modifies the flash contents to corrupt the keys, secure boot could be permanently disabled on a given device.

The weakness was disclosed 01/07/2023 as icsa-22-307-02. It is possible to read the advisory at cisa.gov. This vulnerability is uniquely identified as CVE-2022-2483 since 07/19/2022. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/29/2023).

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

Nokia

Name

ASIK AirScale System Module

Version

License

commercial

Website

Vendor: https://www.nokia.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CNA Base Score: 8.4
CNA Vector (ICS-CERT): 🔍

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: Assumed-immutable data is stored in writable memory
CWE: CWE-1282
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

07/19/2022 🔍
01/07/2023 +172 days 🔍
01/07/2023 +0 days 🔍
01/29/2023 +22 days 🔍

Sourcesinfo

Vendor: nokia.com

Advisory: icsa-22-307-02
Status: Not defined

CVE: CVE-2022-2483 (🔍)
GCVE (CVE): GCVE-0-2022-2483
GCVE (VulDB): GCVE-100-217587

Entryinfo

Created: 01/07/2023 09:17
Updated: 01/29/2023 14:57
Changes: 01/07/2023 09:17 (49), 01/29/2023 14:57 (11)
Complete: 🔍
Cache ID: 216::103