National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-20427 Detail

Current Description

In the Lustre file system before 2.12.3, the ptlrpc module has a buffer overflow and panic, and possibly remote code execution, due to the lack of validation for specific fields of packets sent by a client. Interaction between req_capsule_get_size and tgt_brw_write leads to a tgt_shortio2pages integer signedness error.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lustre.org/ Product Vendor Advisory
http://wiki.lustre.org/Lustre_2.12.3_Changelog Release Notes Vendor Advisory
https://jira.whamcloud.com/browse/LU-12600 Exploit Issue Tracking Third Party Advisory
https://review.whamcloud.com/#/c/35867/ Exploit Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.12.3


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-20427
NVD Published Date:
01/27/2020
NVD Last Modified:
01/29/2020