Lustre File System up to 2.12.2 ptlrpc sptlrpc_svc_unwrap_request lm_bufcount 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 was found in Lustre File System up to 2.12.2 and classified as critical. This issue affects the function sptlrpc_svc_unwrap_request of the component ptlrpc Module. Such manipulation of the argument lm_bufcount leads to out-of-bounds. This vulnerability is traded as CVE-2019-20429. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Lustre File System up to 2.12.2. Affected by this issue is the function sptlrpc_svc_unwrap_request of the component ptlrpc Module. The manipulation of the argument lm_bufcount with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and panic (via a modified lm_bufcount field) due to the lack of validation for specific fields of packets sent by a client. This is caused by interaction between sptlrpc_svc_unwrap_request and lustre_msg_hdr_size_v2.

The weakness was shared 01/27/2020. This vulnerability is handled as CVE-2019-20429 since 01/27/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 2.12.3 eliminates this vulnerability.

The entries VDB-149387, VDB-149386, VDB-149385 and VDB-149383 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 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-2019-20429 (🔍)
GCVE (CVE): GCVE-0-2019-20429
GCVE (VulDB): GCVE-100-149384
See also: 🔍

Entryinfo

Created: 01/27/2020 08:05
Updated: 01/27/2020 08:10
Changes: 01/27/2020 08:05 (40), 01/27/2020 08:10 (17)
Complete: 🔍
Cache ID: 216::103

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