9.8

CVE-2019-20427

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Lustre ≫ Lustre Version < 2.12.3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.7% 0.876
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 9 10 8.5
AV:N/AC:L/Au:N/C:P/I:P/A:C
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

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