Lustre File System up to 2.12.2 ptlrpc Module req_capsule_get_size buffer overflow

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8.2$0-$5k0.00

A vulnerability classified as critical has been found in Lustre File System up to 2.12.2. Affected is the function req_capsule_get_size of the component ptlrpc Module. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-120. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed 01/27/2020. This vulnerability is traded as CVE-2019-20427. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

Upgrading to version 2.12.3 eliminates this vulnerability.

The entries 149386, 149385, 149384 and 149383 are pretty similar.

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VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

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

NVD Base Score: 9.8
NVD Vector: 🔍

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-120
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2019-20427 (🔍)
See also: 🔍

Entryinfoedit

Created: 01/27/2020 08:04 AM
Updated: 01/27/2020 08:09 AM
Changes: (16) 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_nvd_summary
Complete: 🔍

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