Lustre File System up to 2.12.2 ptlrpc ldl_request_cancel lock_count out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Lustre File System up to 2.12.2 and classified as critical. This vulnerability affects the function ldl_request_cancel of the component ptlrpc Module. This manipulation of the argument lock_count as part of Parameter causes out-of-bounds. This vulnerability appears as CVE-2019-20428. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Lustre File System up to 2.12.2. Affected by this vulnerability is the function ldl_request_cancel of the component ptlrpc Module. The manipulation of the argument lock_count as part of a Parameter leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and panic due to the lack of validation for specific fields of packets sent by a client. The ldl_request_cancel function mishandles a large lock_count parameter.

The weakness was presented 01/27/2020. This vulnerability is known as CVE-2019-20428 since 01/27/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.12.3 eliminates this vulnerability.

See VDB-149387, VDB-149386, VDB-149385 and VDB-149384 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: File System 2.12.3

Timelineinfo

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

Sourcesinfo

Status: Not defined

CVE: CVE-2019-20428 (🔍)
GCVE (CVE): GCVE-0-2019-20428
GCVE (VulDB): GCVE-100-149383
See also: 🔍

Entryinfo

Created: 01/27/2020 08:04
Updated: 01/27/2020 08:09
Changes: 01/27/2020 08:04 (41), 01/27/2020 08:09 (17)
Complete: 🔍
Cache ID: 216::103

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