Abbott FreeStyle Libre 14-day/FreeStyle Libre 2 NFC 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 (≈)
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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.
7.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Abbott FreeStyle Libre 14-day and FreeStyle Libre 2 and classified as critical. This affects an unknown part of the component NFC Handler. The manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2020-8997. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Abbott FreeStyle Libre 14-day and FreeStyle Libre 2 (the affected version unknown) and classified as critical. This issue affects an unknown part of the component NFC 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. The summary by CVE is:

Abbott FreeStyle Libre 14-day before February 2020 and FreeStyle Libre 2 before February 2020 allow remote attackers to enable write access via a specific NFC unlock command.

The weakness was released 02/16/2020. The identification of this vulnerability is CVE-2020-8997 since 02/16/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/16/2020 🔍
02/16/2020 +0 days 🔍
02/17/2020 +1 days 🔍
04/01/2024 +1505 days 🔍

Sourcesinfo

Advisory: fortiguard.com
Status: Not defined

CVE: CVE-2020-8997 (🔍)
GCVE (CVE): GCVE-0-2020-8997
GCVE (VulDB): GCVE-100-150251

Entryinfo

Created: 02/17/2020 12:48
Updated: 04/01/2024 08:10
Changes: 02/17/2020 12:48 (35), 02/17/2020 12:53 (17), 04/01/2024 08:10 (18)
Complete: 🔍
Cache ID: 216::103

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