Lustre File System up to 2.12.2 ptlrpc target_handle_connect buffer overflow

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

Summaryinfo

A vulnerability described as critical has been identified in Lustre File System up to 2.12.2. This impacts the function target_handle_connect of the component ptlrpc Module. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2019-20423. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Lustre File System up to 2.12.2 and classified as critical. Affected by this issue is the function target_handle_connect of the component ptlrpc Module. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In the Lustre file system before 2.12.3, the ptlrpc module has a buffer overflow and panic due to the lack of validation for specific fields of packets sent by a client. The function target_handle_connect() mishandles a certain size value when a client connects to a server, because of an integer signedness error.

The weakness was presented 01/27/2020. This vulnerability is handled as CVE-2019-20423 since 01/27/2020. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 2.12.3 eliminates this vulnerability.

See VDB-149382, VDB-149381, VDB-149380 and VDB-149379 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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-2019-20423 (🔍)
GCVE (CVE): GCVE-0-2019-20423
GCVE (VulDB): GCVE-100-149378
See also: 🔍

Entryinfo

Created: 01/27/2020 08:02
Updated: 01/27/2020 08:07
Changes: 01/27/2020 08:02 (39), 01/27/2020 08:07 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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