kexec-tools up to 2.0.20-46/2.0.21-7 Log File default permission

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
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in kexec-tools up to 2.0.20-46/2.0.21-7. This affects an unknown part of the component Log File Handler. Executing a manipulation can lead to default permission. The identification of this vulnerability is CVE-2021-20269. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in kexec-tools up to 2.0.20-46/2.0.21-7. It has been declared as critical. This vulnerability affects an unknown function of the component Log File Handler. The manipulation with an unknown input leads to a default permission vulnerability. The CWE definition for the vulnerability is CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. As an impact it is known to affect confidentiality.

The weakness was shared 03/11/2022. The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2021-20269 since 12/17/2020. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1222 by the MITRE ATT&CK project.

Upgrading to version 2.0.20-47 or 2.0.21-8 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Default permission
CWE: CWE-276 / 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: kexec-tools 2.0.20-47/2.0.21-8

Timelineinfo

12/17/2020 🔍
03/11/2022 +449 days 🔍
03/11/2022 +0 days 🔍
03/13/2022 +2 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-20269 (🔍)
GCVE (CVE): GCVE-0-2021-20269
GCVE (VulDB): GCVE-100-194614

Entryinfo

Created: 03/11/2022 09:00
Updated: 03/13/2022 10:17
Changes: 03/11/2022 09:00 (38), 03/13/2022 10:17 (1)
Complete: 🔍
Cache ID: 216::103

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