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CVE-2019-20427 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

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