CVE-2019-20432 - In the Lustre file system before 2.12.3, the mdt module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client

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HIGH

In the Lustre file system before 2.12.3, the mdt module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client

Published Jan 27, 2020

7.5

HIGH

CVSS 3.1

EPSS 1.81%

Description

In the Lustre file system before 2.12.3, the mdt module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. mdt_file_secctx_unpack does not validate the value of name_size derived from req_capsule_get_size.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-787

Out-of-bounds Write

References (5)

http://lustre.org/
x_refsource_MISCProductVendor Advisory
http://wiki.lustre.org/Lustre_2.12.3_Changelog
x_refsource_MISCRelease NotesVendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-10980
Advisory
https://jira.whamcloud.com/browse/LU-12604
x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://review.whamcloud.com/#/c/35868/
x_refsource_MISCThird Party Advisory

Link	Providers	Tags
http://lustre.org/		x_refsource_MISCProductVendor Advisory
http://wiki.lustre.org/Lustre_2.12.3_Changelog		x_refsource_MISCRelease NotesVendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-10980		Advisory
https://jira.whamcloud.com/browse/LU-12604		x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://review.whamcloud.com/#/c/35868/		x_refsource_MISCThird Party Advisory