Linux Kernel up to 4.16.4rc4 aoeblk.c aoedisk_debugfs_show debug log file

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 4.16.4rc4. Affected by this vulnerability is the function aoedisk_debugfs_show of the file drivers/block/aoe/aoeblk.c. Executing a manipulation can lead to debug log file. This vulnerability is tracked as CVE-2018-7754. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 4.16.4rc4 (Operating System) and classified as problematic. This vulnerability affects the function aoedisk_debugfs_show of the file drivers/block/aoe/aoeblk.c. The manipulation with an unknown input leads to a debug log file vulnerability. The CWE definition for the vulnerability is CWE-534. This entry has been deprecated because its abstraction was too low-level. See CWE-532. As an impact it is known to affect confidentiality. CVE summarizes:

The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitive address information by reading "ffree: " lines in a debugfs file.

The bug was discovered 08/09/2018. The weakness was disclosed 08/10/2018 (Website). The advisory is available at elixir.bootlin.com. This vulnerability was named CVE-2018-7754 since 03/07/2018. Local access is required to approach this attack. A single authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
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: Debug log file
CWE: CWE-534 / CWE-532 / CWE-200
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/07/2018 🔍
08/09/2018 +154 days 🔍
08/10/2018 +0 days 🔍
08/10/2018 +0 days 🔍
08/11/2018 +1 days 🔍
03/14/2020 +581 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: elixir.bootlin.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7754 (🔍)
GCVE (CVE): GCVE-0-2018-7754
GCVE (VulDB): GCVE-100-122782

Entryinfo

Created: 08/11/2018 06:42
Updated: 03/14/2020 14:10
Changes: 08/11/2018 06:42 (60), 03/14/2020 14:10 (2)
Complete: 🔍
Cache ID: 216::103

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