Pengutronix Barebox up to 2019.08.1 fs/nfs.c nfs_readlink_req length memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Pengutronix Barebox up to 2019.08.1. It has been rated as critical. Affected by this vulnerability is the function nfs_readlink_req of the file fs/nfs.c. This manipulation of the argument length causes memory corruption. This vulnerability is registered as CVE-2019-15938. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in Pengutronix Barebox up to 2019.08.1 and classified as critical. Affected by this vulnerability is the function nfs_readlink_req of the file fs/nfs.c. The manipulation of the argument length with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Pengutronix barebox through 2019.08.1 has a remote buffer overflow in nfs_readlink_req in fs/nfs.c because a length field is directly used for a memcpy.

The weakness was published 09/05/2019. This vulnerability is known as CVE-2019-15938 since 09/05/2019. The exploitation appears to be easy. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entry is available at VDB-141294. 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: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: git.pengutronix.de

Timelineinfo

09/05/2019 🔍
09/05/2019 +0 days 🔍
09/06/2019 +1 days 🔍
12/13/2023 +1559 days 🔍

Sourcesinfo

Advisory: git.pengutronix.de
Status: Not defined

CVE: CVE-2019-15938 (🔍)
GCVE (CVE): GCVE-0-2019-15938
GCVE (VulDB): GCVE-100-141295
See also: 🔍

Entryinfo

Created: 09/06/2019 11:04
Updated: 12/13/2023 09:37
Changes: 09/06/2019 11:04 (38), 08/13/2020 09:41 (17), 12/13/2023 09:37 (4)
Complete: 🔍
Cache ID: 216::103

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