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Vulnerability Details :

CVE-2018-6558

Summary
Assigner-canonical
Assigner Org ID-cc1ad9ee-3454-478d-9317-d3e869d708bc
Published At-23 Aug, 2018 | 20:00
Updated At-17 Sep, 2024 | 02:06
Rejected At-
Credits

The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:canonical
Assigner Org ID:cc1ad9ee-3454-478d-9317-d3e869d708bc
Published At:23 Aug, 2018 | 20:00
Updated At:17 Sep, 2024 | 02:06
Rejected At:
▼CVE Numbering Authority (CNA)

The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).

Affected Products
Vendor
The fscrypt Project
Product
fscrypt
Versions
Affected
  • before 0.2.4
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/google/fscrypt/issues/77
x_refsource_MISC
https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b
x_refsource_MISC
https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66
x_refsource_MISC
https://launchpad.net/bugs/1787548
x_refsource_MISC
Hyperlink: https://github.com/google/fscrypt/issues/77
Resource:
x_refsource_MISC
Hyperlink: https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b
Resource:
x_refsource_MISC
Hyperlink: https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66
Resource:
x_refsource_MISC
Hyperlink: https://launchpad.net/bugs/1787548
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/google/fscrypt/issues/77
x_refsource_MISC
x_transferred
https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b
x_refsource_MISC
x_transferred
https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66
x_refsource_MISC
x_transferred
https://launchpad.net/bugs/1787548
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/google/fscrypt/issues/77
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://launchpad.net/bugs/1787548
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@ubuntu.com
Published At:23 Aug, 2018 | 19:29
Updated At:03 Oct, 2019 | 00:03

The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.06.5MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Primary2.04.9MEDIUM
AV:N/AC:M/Au:S/C:N/I:P/A:P
Type: Primary
Version: 3.0
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Type: Primary
Version: 2.0
Base score: 4.9
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:S/C:N/I:P/A:P
CPE Matches
Google LLC
google
>>fscrypt>>Versions before 0.2.4(exclusive)
cpe:2.3:a:google:fscrypt:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91bsecurity@ubuntu.com
Patch
Third Party Advisory
https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66security@ubuntu.com
Patch
Third Party Advisory
https://github.com/google/fscrypt/issues/77security@ubuntu.com
Issue Tracking
Third Party Advisory
https://launchpad.net/bugs/1787548security@ubuntu.com
Issue Tracking
Patch
Third Party Advisory
Hyperlink: https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b
Source: security@ubuntu.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66
Source: security@ubuntu.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/google/fscrypt/issues/77
Source: security@ubuntu.com
Resource:
Issue Tracking
Third Party Advisory
Hyperlink: https://launchpad.net/bugs/1787548
Source: security@ubuntu.com
Resource:
Issue Tracking
Patch
Third Party Advisory

Change History

0
Information is not available yet

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