NetBSD up to 9.2 TCP ISN Generator information disclosure

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.
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in NetBSD up to 9.2. It has been classified as problematic. The impacted element is an unknown function of the component TCP ISN Generator. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2021-45488. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, was found in NetBSD up to 9.2 (Operating System). This affects an unknown code block of the component TCP ISN Generator. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was published 12/25/2021. It is possible to read the advisory at ftp.netbsd.org. This vulnerability is uniquely identified as CVE-2021-45488 since 12/25/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem.

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

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/25/2021 🔍
12/25/2021 +0 days 🔍
12/25/2021 +0 days 🔍
12/27/2021 +2 days 🔍

Sourcesinfo

Advisory: ftp.netbsd.org
Status: Confirmed

CVE: CVE-2021-45488 (🔍)
GCVE (CVE): GCVE-0-2021-45488
GCVE (VulDB): GCVE-100-189075

Entryinfo

Created: 12/25/2021 09:37
Updated: 12/27/2021 10:06
Changes: 12/25/2021 09:37 (38), 12/27/2021 10:06 (1)
Complete: 🔍
Cache ID: 216::103

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