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MitreCVE-2019-20425

HistoryJan 27, 2020 - 5:15 a.m.

CVE-2019-20425

2020-01-2705:15:11

CWE-787

mitre

web.nvd.nist.gov

lustre

file system

vulnerability

out-of-bounds access

panic

ptlrpc module

nvd

cve-2019-20425

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.5

Confidence

High

EPSS

0.004

Percentile

72.3%

JSON

In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. In the function lustre_msg_string, there is no validation of a certain length value derived from lustre_msg_buflen_v2.

Affected configurations

Nvd

Node

lustrelustreRange<2.12.3

VendorProductVersionCPE
lustrelustre*cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
lustre	lustre	*	cpe:2.3:a:lustre:lustre::::::::

References

lustre.org/

wiki.lustre.org/Lustre_2.12.3_Changelog

jira.whamcloud.com/browse/LU-12613

review.whamcloud.com/#/c/36209/

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.5

Confidence

High

EPSS

0.004

Percentile

72.3%

JSON

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