ASPEED ast2400/ast2500 AHB Bridge access control

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in ASPEED ast2400 and ast2500. Impacted is an unknown function of the component AHB Bridge. This manipulation causes access control. This vulnerability appears as CVE-2019-6260. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in ASPEED ast2400 and ast2500 (version now known). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component AHB Bridge. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The ASPEED ast2400 and ast2500 Baseband Management Controller (BMC) hardware and firmware implement Advanced High-performance Bus (AHB) bridges, which allow arbitrary read and write access to the BMC's physical address space from the host (or from the network in unusual cases where the BMC console uart is attached to a serial concentrator). This CVE applies to the specific cases of iLPC2AHB bridge Pt I, iLPC2AHB bridge Pt II, PCIe VGA P2A bridge, DMA from/to arbitrary BMC memory via X-DMA, UART-based SoC Debug interface, LPC2AHB bridge, PCIe BMC P2A bridge, and Watchdog setup.

The bug was discovered 01/23/2019. The weakness was presented 01/22/2019 (Website). It is possible to read the advisory at flamingspork.com. This vulnerability is known as CVE-2019-6260 since 01/14/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: 🔍

Timelineinfo

01/14/2019 🔍
01/22/2019 +8 days 🔍
01/22/2019 +0 days 🔍
01/23/2019 +1 days 🔍
01/23/2019 +0 days 🔍
05/04/2020 +467 days 🔍

Sourcesinfo

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

CVE: CVE-2019-6260 (🔍)
GCVE (CVE): GCVE-0-2019-6260
GCVE (VulDB): GCVE-100-130003

Entryinfo

Created: 01/23/2019 07:55
Updated: 05/04/2020 14:47
Changes: 01/23/2019 07:55 (54), 05/04/2020 14:47 (2)
Complete: 🔍
Cache ID: 216::103

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