Intel AMT/ISM prior 11.8.79/11.12.79/11.22.79/12.0.68/14.0.39 Network Subsystem memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability has been found in Intel AMT and ISM and classified as critical. Affected by this vulnerability is an unknown functionality of the component Network Subsystem. The manipulation 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:
Improper buffer restrictions in network subsystem in provisioned Intel(R) AMT and Intel(R) ISM versions before 11.8.79, 11.12.79, 11.22.79, 12.0.68 and 14.0.39 may allow an unauthenticated user to potentially enable escalation of privilege via network access. On un-provisioned systems, an authenticated user may potentially enable escalation of privilege via local access.
The weakness was presented 09/10/2020 (Website). The advisory is shared at intel.com. This vulnerability is known as CVE-2020-8758 since 02/06/2020. An attack has to be approached locally. The successful exploitation needs a single authentication. Neither technical details nor an exploit are publicly available.
Upgrading to version 11.8.79, 11.12.79, 11.22.79, 12.0.68 or 14.0.39 eliminates this vulnerability.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: AMT/ISM 11.8.79/11.12.79/11.22.79/12.0.68/14.0.39
Timeline
02/06/2020 🔍09/10/2020 🔍
09/11/2020 🔍
09/11/2020 🔍
Sources
Vendor: intel.comAdvisory: intel.com
Status: Not defined
CVE: CVE-2020-8758 (🔍)
Entry
Created: 09/11/2020 08:41Updated: 09/11/2020 08:46
Changes: 09/11/2020 08:41 (39), 09/11/2020 08:46 (17)
Complete: 🔍
Cache ID: 3:931:103
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