Intel AMT/ISM up to 11.8.76/11.12.76/11.22.76/12.0.63 IPv6 Subsystem use after free

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CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability was found in Intel AMT and ISM up to 11.8.76/11.12.76/11.22.76/12.0.63. It has been declared as critical. This vulnerability affects an unknown functionality of the component IPv6 Subsystem. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-416. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use after free in IPv6 subsystem in Intel(R) AMT and Intel(R) ISM versions before 11.8.77, 11.12.77, 11.22.77 and 12.0.64 may allow an unauthenticated user to potentially enable escalation of privilege via network access.

The weakness was shared 06/15/2020 (Website). The advisory is shared for download at intel.com. This vulnerability was named CVE-2020-0595 since 10/28/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/24/2020).

Upgrading to version 11.8.77, 11.12.77, 11.22.77 or 12.0.64 eliminates this vulnerability.

The entries 156707, 156708, 156709 and 156710 are related to this item.

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VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2infoedit

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

NVD Base Score: 🔒

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-416
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: AMT/ISM 11.8.77/11.12.77/11.22.77/12.0.64

Timelineinfoedit

10/28/2019 CVE assigned
06/15/2020 +231 days Advisory disclosed
06/16/2020 +1 days VulDB entry created
10/24/2020 +130 days VulDB last update

Sourcesinfoedit

Vendor: https://www.intel.com/

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

CVE: CVE-2020-0595 (🔒)
See also: 🔒

Entryinfoedit

Created: 06/16/2020 08:31 AM
Updated: 10/24/2020 04:32 PM
Changes: (1) advisory_confirm_url
Complete: 🔍

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