Linux Kernel up to 5.11.3 iSCSI Transport scsi_transport_iscsi.c 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.
Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.11.3. It has been declared as problematic. Affected by this issue is some unknown functionality of the file drivers/scsi/scsi_transport_iscsi.c of the component iSCSI Transport Handler. The manipulation results in information disclosure. This vulnerability is known as CVE-2021-27363. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 5.11.3 (Operating System). Affected is some unknown processing of the file drivers/scsi/scsi_transport_iscsi.c of the component iSCSI Transport Handler. 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 03/07/2021. The advisory is shared for download at bugzilla.suse.com. This vulnerability is traded as CVE-2021-27363. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 🔍

Patch: git.kernel.org

Timelineinfo

02/17/2021 🔍
03/07/2021 +18 days 🔍
03/07/2021 +0 days 🔍
03/29/2021 +22 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.suse.com
Status: Confirmed

CVE: CVE-2021-27363 (🔍)
GCVE (CVE): GCVE-0-2021-27363
GCVE (VulDB): GCVE-100-170820

Entryinfo

Created: 03/07/2021 09:37
Updated: 03/29/2021 06:45
Changes: 03/07/2021 09:37 (41), 03/29/2021 06:42 (5), 03/29/2021 06:45 (16)
Complete: 🔍
Cache ID: 216::103

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