7.5
HIGH
CVE-2019-20429
Lustre ptlrpc Out-of-Bounds Read and Panic Vulnerability
Description

In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and panic (via a modified lm_bufcount field) due to the lack of validation for specific fields of packets sent by a client. This is caused by interaction between sptlrpc_svc_unwrap_request and lustre_msg_hdr_size_v2.

INFO

Published Date :

Jan. 27, 2020, 5:15 a.m.

Last Modified :

Jan. 29, 2020, 7:44 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-20429 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lustre lustre
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-20429.

URL 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-12590 Exploit Third Party Advisory
https://review.whamcloud.com/#/c/36119/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-20429 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-20429 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 29, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://lustre.org/ No Types Assigned http://lustre.org/ Product, Vendor Advisory
    Changed Reference Type http://wiki.lustre.org/Lustre_2.12.3_Changelog No Types Assigned http://wiki.lustre.org/Lustre_2.12.3_Changelog Release Notes, Vendor Advisory
    Changed Reference Type https://jira.whamcloud.com/browse/LU-12590 No Types Assigned https://jira.whamcloud.com/browse/LU-12590 Exploit, Third Party Advisory
    Changed Reference Type https://review.whamcloud.com/#/c/36119/ No Types Assigned https://review.whamcloud.com/#/c/36119/ Third Party Advisory
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:* versions up to (excluding) 2.12.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-20429 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-20429 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.36 }} 0.11%

score

0.69124

percentile

CVSS31 - Vulnerability Scoring System
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