Intel disclosed an escalation of privilege vulnerability in Intel Active Management Technology (AMT), Intel Standard Manageability (ISM), and Intel Small Business Technology in Security Center advisory INTEL-SA-00075. Unprivileged attackers could exploit this vulnerability to gain control of the manageability features provided by these products. (Vulnerability ID: HWPSIRT-2017-05042)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-5689.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
By exploiting this vulnerability, unprivileged attackers could gain control of the manageability features provided by these products.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Temporal Score: 9.1 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
An attacker can access the vulnerable devices.
There are two ways this vulnerability may be accessed. An unprivileged network attacker could gain system privileges to provisioned Intel manageability SKUs, Intel AMT and Intel ISM are vulnerable and Intel SBT is not vulnerable. An unprivileged local attacker could provision manageability features gaining unprivileged network or local system privileges on Intel manageability SKUs, Intel AMT, Intel ISM and Intel SBT are vulnerable.
For additional details, customers are advised to reference the website: https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00075&languageid=en-fr.
Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.
This vulnerability was disclosed by Intel.
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