CVE-2019-20426
 
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. In the function ldlm_cancel_hpreq_check, there is no lock_count bounds check.
En el sistema de archivos de Lustre versiones anteriores versiones hasta 2.12.3, el módulo ptlrpc presenta un acceso fuera de límites y un pánico debido a la falta de comprobación para campos de paquetes específicos enviados mediante un cliente. En la función ldlm_cancel_hpreq_check, no se presenta una comprobación de límites de lock_count.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
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Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-01-27 CVE Reserved
- 2020-01-27 CVE Published
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- 2024-12-17 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (4)
URL | Tag | Source |
---|---|---|
https://review.whamcloud.com/#/c/36107 | Third Party Advisory |
URL | Date | SRC |
---|---|---|
https://jira.whamcloud.com/browse/LU-12614 | 2024-08-05 |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
http://lustre.org | 2020-08-24 | |
http://wiki.lustre.org/Lustre_2.12.3_Changelog | 2020-08-24 |