cisco-sa-20190501-aci-unmeasured-boot
Vulnerability from csaf_cisco
Published
2019-05-01 16:00
Modified
2019-05-01 16:00
Summary
Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Unmeasured Boot Vulnerability
Notes
Summary
A vulnerability in the Trusted Platform Module (TPM) functionality of software for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, local attacker with physical access to view sensitive information on an affected device.
The vulnerability is due to a lack of proper data-protection mechanisms for disk encryption keys that are used within the partitions on an affected device hard drive. An attacker could exploit this vulnerability by obtaining physical access to the affected device to view certain cleartext keys. A successful exploit could allow the attacker to execute a custom boot process or conduct further attacks on an affected device.
There are no workarounds that address this vulnerability.
Vulnerable Products
This vulnerability affects Cisco Nexus 9000 Series Fabric Switches in ACI mode if they are running a vulnerable release of Cisco NX-OS Software.
For information about affected software releases, consult the Cisco bug ID(s) at the top of this advisory.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by this vulnerability.
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
For information about fixed software releases ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"], consult the Cisco bug ID(s) at the top of this advisory.
When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page ["https://www.cisco.com/go/psirt"], to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
Vulnerability Policy
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
Exploitation and Public Announcements
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
Source
Cisco would like to thank Costin Enache of Detack GmbH for reporting this vulnerability.
Legal Disclaimer
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.
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"name": "13.1(2m)",
"product_id": "CSAFPID-241223"
}
},
{
"category": "service_pack",
"name": "13.1(2o)",
"product": {
"name": "13.1(2o)",
"product_id": "CSAFPID-241258"
}
},
{
"category": "service_pack",
"name": "13.1(2p)",
"product": {
"name": "13.1(2p)",
"product_id": "CSAFPID-241259"
}
},
{
"category": "service_pack",
"name": "13.1(2q)",
"product": {
"name": "13.1(2q)",
"product_id": "CSAFPID-241260"
}
}
],
"category": "product_version",
"name": "13.1"
},
{
"branches": [
{
"category": "service_pack",
"name": "13.2(1l)",
"product": {
"name": "13.2(1l)",
"product_id": "CSAFPID-241222"
}
},
{
"category": "service_pack",
"name": "13.2(1m)",
"product": {
"name": "13.2(1m)",
"product_id": "CSAFPID-241257"
}
}
],
"category": "product_version",
"name": "13.2"
},
{
"branches": [
{
"category": "service_pack",
"name": "11.3(1g)",
"product": {
"name": "11.3(1g)",
"product_id": "CSAFPID-241233"
}
},
{
"category": "service_pack",
"name": "11.3(2f)",
"product": {
"name": "11.3(2f)",
"product_id": "CSAFPID-241234"
}
},
{
"category": "service_pack",
"name": "11.3(1h)",
"product": {
"name": "11.3(1h)",
"product_id": "CSAFPID-241361"
}
},
{
"category": "service_pack",
"name": "11.3(1i)",
"product": {
"name": "11.3(1i)",
"product_id": "CSAFPID-241362"
}
},
{
"category": "service_pack",
"name": "11.3(2h)",
"product": {
"name": "11.3(2h)",
"product_id": "CSAFPID-241363"
}
},
{
"category": "service_pack",
"name": "11.3(2i)",
"product": {
"name": "11.3(2i)",
"product_id": "CSAFPID-241364"
}
},
{
"category": "service_pack",
"name": "11.3(2k)",
"product": {
"name": "11.3(2k)",
"product_id": "CSAFPID-241365"
}
}
],
"category": "product_version",
"name": "11.3"
}
],
"category": "product_family",
"name": "Cisco NX-OS System Software in ACI Mode"
}
],
"category": "vendor",
"name": "Cisco"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2019-1589",
"ids": [
{
"system_name": "Cisco Bug ID",
"text": "CSCvn09807"
}
],
"notes": [
{
"category": "general",
"text": "No additional information for this vulneraiblity is currently avaialbe.",
"title": "No Notes"
}
],
"product_status": {
"known_affected": [
"CSAFPID-241204",
"CSAFPID-241206",
"CSAFPID-241208",
"CSAFPID-241210",
"CSAFPID-241212",
"CSAFPID-241214",
"CSAFPID-241216",
"CSAFPID-241218",
"CSAFPID-241220",
"CSAFPID-241222",
"CSAFPID-241223",
"CSAFPID-241224",
"CSAFPID-241225",
"CSAFPID-241226",
"CSAFPID-241227",
"CSAFPID-241228",
"CSAFPID-241229",
"CSAFPID-241230",
"CSAFPID-241231",
"CSAFPID-241233",
"CSAFPID-241234",
"CSAFPID-241235",
"CSAFPID-241236",
"CSAFPID-241237",
"CSAFPID-241238",
"CSAFPID-241239",
"CSAFPID-241240",
"CSAFPID-241241",
"CSAFPID-241242",
"CSAFPID-241243",
"CSAFPID-241244",
"CSAFPID-241245",
"CSAFPID-241246",
"CSAFPID-241247",
"CSAFPID-241248",
"CSAFPID-241249",
"CSAFPID-241250",
"CSAFPID-241251",
"CSAFPID-241252",
"CSAFPID-241253",
"CSAFPID-241254",
"CSAFPID-241255",
"CSAFPID-241256",
"CSAFPID-241257",
"CSAFPID-241258",
"CSAFPID-241259",
"CSAFPID-241260",
"CSAFPID-241261",
"CSAFPID-241262",
"CSAFPID-241263",
"CSAFPID-241264",
"CSAFPID-241265",
"CSAFPID-241266",
"CSAFPID-241267",
"CSAFPID-241268",
"CSAFPID-241272",
"CSAFPID-241273",
"CSAFPID-241274",
"CSAFPID-241275",
"CSAFPID-241276",
"CSAFPID-241277",
"CSAFPID-241278",
"CSAFPID-241279",
"CSAFPID-241280",
"CSAFPID-241281",
"CSAFPID-241282",
"CSAFPID-241283",
"CSAFPID-241309",
"CSAFPID-241310",
"CSAFPID-241349",
"CSAFPID-241350",
"CSAFPID-241351",
"CSAFPID-241352",
"CSAFPID-241353",
"CSAFPID-241354",
"CSAFPID-241355",
"CSAFPID-241356",
"CSAFPID-241357",
"CSAFPID-241358",
"CSAFPID-241359",
"CSAFPID-241360",
"CSAFPID-241361",
"CSAFPID-241362",
"CSAFPID-241363",
"CSAFPID-241364",
"CSAFPID-241365",
"CSAFPID-241366",
"CSAFPID-241367",
"CSAFPID-241368",
"CSAFPID-241369",
"CSAFPID-241370"
]
},
"release_date": "2019-05-01T16:00:00+00:00",
"remediations": [
{
"category": "none_available",
"details": "No remediation is available at this time.",
"product_ids": [
"CSAFPID-241204",
"CSAFPID-241206",
"CSAFPID-241208",
"CSAFPID-241210",
"CSAFPID-241212",
"CSAFPID-241214",
"CSAFPID-241216",
"CSAFPID-241218",
"CSAFPID-241220",
"CSAFPID-241222",
"CSAFPID-241223",
"CSAFPID-241224",
"CSAFPID-241225",
"CSAFPID-241226",
"CSAFPID-241227",
"CSAFPID-241228",
"CSAFPID-241229",
"CSAFPID-241230",
"CSAFPID-241231",
"CSAFPID-241233",
"CSAFPID-241234",
"CSAFPID-241235",
"CSAFPID-241236",
"CSAFPID-241237",
"CSAFPID-241238",
"CSAFPID-241239",
"CSAFPID-241240",
"CSAFPID-241241",
"CSAFPID-241242",
"CSAFPID-241243",
"CSAFPID-241244",
"CSAFPID-241245",
"CSAFPID-241246",
"CSAFPID-241247",
"CSAFPID-241248",
"CSAFPID-241249",
"CSAFPID-241250",
"CSAFPID-241251",
"CSAFPID-241252",
"CSAFPID-241253",
"CSAFPID-241254",
"CSAFPID-241255",
"CSAFPID-241256",
"CSAFPID-241257",
"CSAFPID-241258",
"CSAFPID-241259",
"CSAFPID-241260",
"CSAFPID-241261",
"CSAFPID-241262",
"CSAFPID-241263",
"CSAFPID-241264",
"CSAFPID-241265",
"CSAFPID-241266",
"CSAFPID-241267",
"CSAFPID-241268",
"CSAFPID-241272",
"CSAFPID-241273",
"CSAFPID-241274",
"CSAFPID-241275",
"CSAFPID-241276",
"CSAFPID-241277",
"CSAFPID-241278",
"CSAFPID-241279",
"CSAFPID-241280",
"CSAFPID-241281",
"CSAFPID-241282",
"CSAFPID-241283",
"CSAFPID-241309",
"CSAFPID-241310",
"CSAFPID-241349",
"CSAFPID-241350",
"CSAFPID-241351",
"CSAFPID-241352",
"CSAFPID-241353",
"CSAFPID-241354",
"CSAFPID-241355",
"CSAFPID-241356",
"CSAFPID-241357",
"CSAFPID-241358",
"CSAFPID-241359",
"CSAFPID-241360",
"CSAFPID-241361",
"CSAFPID-241362",
"CSAFPID-241363",
"CSAFPID-241364",
"CSAFPID-241365",
"CSAFPID-241366",
"CSAFPID-241367",
"CSAFPID-241368",
"CSAFPID-241369",
"CSAFPID-241370"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 4.2,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.0"
},
"products": [
"CSAFPID-241204",
"CSAFPID-241206",
"CSAFPID-241208",
"CSAFPID-241210",
"CSAFPID-241212",
"CSAFPID-241214",
"CSAFPID-241216",
"CSAFPID-241218",
"CSAFPID-241220",
"CSAFPID-241222",
"CSAFPID-241223",
"CSAFPID-241224",
"CSAFPID-241225",
"CSAFPID-241226",
"CSAFPID-241227",
"CSAFPID-241228",
"CSAFPID-241229",
"CSAFPID-241230",
"CSAFPID-241231",
"CSAFPID-241233",
"CSAFPID-241234",
"CSAFPID-241235",
"CSAFPID-241236",
"CSAFPID-241237",
"CSAFPID-241238",
"CSAFPID-241239",
"CSAFPID-241240",
"CSAFPID-241241",
"CSAFPID-241242",
"CSAFPID-241243",
"CSAFPID-241244",
"CSAFPID-241245",
"CSAFPID-241246",
"CSAFPID-241247",
"CSAFPID-241248",
"CSAFPID-241249",
"CSAFPID-241250",
"CSAFPID-241251",
"CSAFPID-241252",
"CSAFPID-241253",
"CSAFPID-241254",
"CSAFPID-241255",
"CSAFPID-241256",
"CSAFPID-241257",
"CSAFPID-241258",
"CSAFPID-241259",
"CSAFPID-241260",
"CSAFPID-241261",
"CSAFPID-241262",
"CSAFPID-241263",
"CSAFPID-241264",
"CSAFPID-241265",
"CSAFPID-241266",
"CSAFPID-241267",
"CSAFPID-241268",
"CSAFPID-241272",
"CSAFPID-241273",
"CSAFPID-241274",
"CSAFPID-241275",
"CSAFPID-241276",
"CSAFPID-241277",
"CSAFPID-241278",
"CSAFPID-241279",
"CSAFPID-241280",
"CSAFPID-241281",
"CSAFPID-241282",
"CSAFPID-241283",
"CSAFPID-241309",
"CSAFPID-241310",
"CSAFPID-241349",
"CSAFPID-241350",
"CSAFPID-241351",
"CSAFPID-241352",
"CSAFPID-241353",
"CSAFPID-241354",
"CSAFPID-241355",
"CSAFPID-241356",
"CSAFPID-241357",
"CSAFPID-241358",
"CSAFPID-241359",
"CSAFPID-241360",
"CSAFPID-241361",
"CSAFPID-241362",
"CSAFPID-241363",
"CSAFPID-241364",
"CSAFPID-241365",
"CSAFPID-241366",
"CSAFPID-241367",
"CSAFPID-241368",
"CSAFPID-241369",
"CSAFPID-241370"
]
}
],
"title": "Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Unmeasured Boot Vulnerability"
}
]
}
Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.