Lustre File System up to 2.12.2 Packet lustre_msg_string out-of-bounds write

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A vulnerability was found in Lustre File System up to 2.12.2. It has been declared as critical. This vulnerability affects the function lustre_msg_string of the component Packet Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-787. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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 lustre_msg_string, there is no validation of a certain length value derived from lustre_msg_buflen_v2.

The weakness was published 01/27/2020. This vulnerability was named CVE-2019-20425 since 01/27/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Upgrading to version 2.12.3 eliminates this vulnerability.

Similar entries are available at 149384, 149383, 149382 and 149381.

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VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-787
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: File System 2.12.3

Timelineinfoedit

01/27/2020 🔍
01/27/2020 +0 days 🔍
01/27/2020 +0 days 🔍
01/27/2020 +0 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2019-20425 (🔍)
See also: 🔍

Entryinfoedit

Created: 01/27/2020 08:03 AM
Updated: 01/27/2020 08:08 AM
Changes: (17) vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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