Linux Kernel up to 4.12 commctrl.c aac_get_hba_info information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

A vulnerability classified as problematic has been found in Linux Kernel up to 4.12 (Operating System). This affects the function aac_get_hba_info of the file drivers/scsi/aacraid/commctrl.c. 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 summary by CVE is:

An issue was discovered in drivers/scsi/aacraid/commctrl.c in the Linux kernel before 4.13. There is potential exposure of kernel stack memory because aac_get_hba_info does not initialize the hbainfo structure.

The weakness was presented 08/19/2019. This vulnerability is uniquely identified as CVE-2017-18550 since 08/18/2019. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 4.13 eliminates this vulnerability.

See 140286, 140285, 140284 and 140282 for similar entries.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: 🔍

Local: Yes
Remote: No

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: Kernel 4.13
Patch: git.kernel.org

Timelineinfo

08/18/2019 🔍
08/19/2019 +1 days 🔍
08/19/2019 +0 days 🔍
11/26/2023 +1560 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Not defined

CVE: CVE-2017-18550 (🔍)
See also: 🔍

Entryinfo

Created: 08/19/2019 08:22
Updated: 11/26/2023 13:37
Changes: 08/19/2019 08:22 (41), 07/30/2020 18:50 (18), 11/26/2023 13:37 (5)
Complete: 🔍

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