Intel CSME/TXE Subsystem path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Intel CSME and TXE. This impacts an unknown function of the component Subsystem. This manipulation causes path traversal. This vulnerability is registered as CVE-2020-0539. The attack needs to be launched locally. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Intel CSME and TXE (version now known). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component Subsystem. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Path traversal in subsystem for Intel(R) DAL software for Intel(R) CSME versions before 11.8.77, 11.12.77, 11.22.77, 12.0.64, 13.0.32, 14.0.33 and Intel(R) TXE versions before 3.1.75, 4.0.25 may allow an unprivileged user to potentially enable denial of service via local access.

The weakness was published 06/15/2020 (Website). It is possible to read the advisory at intel.com. This vulnerability is known as CVE-2020-0539 since 10/28/2019. Attacking locally is a requirement. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

Similar entries are available at VDB-156707, VDB-156708, VDB-156709 and VDB-156710. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: 🔍

Timelineinfo

10/28/2019 🔍
06/15/2020 +231 days 🔍
06/16/2020 +1 days 🔍
10/24/2020 +130 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-0539 (🔍)
GCVE (CVE): GCVE-0-2020-0539
GCVE (VulDB): GCVE-100-156715
See also: 🔍

Entryinfo

Created: 06/16/2020 07:55
Updated: 10/24/2020 15:32
Changes: 06/16/2020 07:55 (38), 06/16/2020 08:00 (17), 10/24/2020 15:32 (1)
Complete: 🔍
Cache ID: 216::103

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