cisco-sa-vlan-dos-27pur5rt
Vulnerability from csaf_cisco
Published
2024-09-25 16:00
Modified
2024-10-04 21:53
Summary
Cisco Catalyst 9000 Series Switches Denial of Service Vulnerability
Notes
Summary
A vulnerability in Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the control plane of an affected device.
This vulnerability is due to improper handling of frames with VLAN tag information. An attacker could exploit this vulnerability by sending crafted frames to an affected device. A successful exploit could allow the attacker to render the control plane of the affected device unresponsive. The device would not be accessible through the console or CLI, and it would not respond to ping requests, SNMP requests, or requests from other control plane protocols. Traffic that is traversing the device through the data plane is not affected. A reload of the device is required to restore control plane services.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is part of the September 2024 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2024 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75169"].
Vulnerable Products
At the time of publication, this vulnerability affected the following Cisco products if they were running a vulnerable release of Cisco IOS XE Software, regardless of device configuration:
Catalyst 9300LM Series Switches
Catalyst 9300X Series Switches
Catalyst 9400X Supervisor Engines
Catalyst 9500 High Performance Series Switches
Catalyst 9600 Series Switches
For information about which Cisco software releases are vulnerable, see the Fixed Software ["#fs"] section 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.
Cisco has confirmed that this vulnerability does not affect the following Cisco products:
IOS Software
IOS XR Software
Meraki products
NX-OS Software
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
When considering software upgrades ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories 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.
Cisco IOS and IOS XE Software
To help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"]. This tool identifies any Cisco security advisories that impact a specific software release and the earliest release that fixes the vulnerabilities that are described in each advisory (“First Fixed”). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities that are described in all the advisories that the Software Checker identifies (“Combined First Fixed”).
To use the tool, go to the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] page and follow the instructions. Alternatively, use the following form to determine whether a release is affected by any Cisco Security Advisory. To use the form, follow these steps:
Choose which advisories the tool will search—only this advisory, only advisories with a Critical or High Security Impact Rating (SIR) ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#asr"], or all advisories.
Enter a release number—for example, 15.9(3)M2 or 17.3.3.
Click Check.
Only this advisory All Critical and High advisories All advisories
Vulnerability Policy
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["http://www.cisco.com/web/about/security/psirt/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
This vulnerability was found during the resolution of a Cisco TAC support case.
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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"text": "This vulnerability was found during the resolution of a Cisco TAC support case.",
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},
{
"branches": [
{
"category": "service_pack",
"name": "17.3.1",
"product": {
"name": "17.3.1",
"product_id": "CSAFPID-254712"
}
},
{
"category": "service_pack",
"name": "17.3.2",
"product": {
"name": "17.3.2",
"product_id": "CSAFPID-277099"
}
},
{
"category": "service_pack",
"name": "17.3.3",
"product": {
"name": "17.3.3",
"product_id": "CSAFPID-278019"
}
},
{
"category": "service_pack",
"name": "17.3.2a",
"product": {
"name": "17.3.2a",
"product_id": "CSAFPID-280555"
}
},
{
"category": "service_pack",
"name": "17.3.4",
"product": {
"name": "17.3.4",
"product_id": "CSAFPID-282028"
}
},
{
"category": "service_pack",
"name": "17.3.5",
"product": {
"name": "17.3.5",
"product_id": "CSAFPID-282115"
}
},
{
"category": "service_pack",
"name": "17.3.6",
"product": {
"name": "17.3.6",
"product_id": "CSAFPID-284331"
}
},
{
"category": "service_pack",
"name": "17.3.4b",
"product": {
"name": "17.3.4b",
"product_id": "CSAFPID-285326"
}
},
{
"category": "service_pack",
"name": "17.3.7",
"product": {
"name": "17.3.7",
"product_id": "CSAFPID-290671"
}
},
{
"category": "service_pack",
"name": "17.3.8",
"product": {
"name": "17.3.8",
"product_id": "CSAFPID-295398"
}
},
{
"category": "service_pack",
"name": "17.3.8a",
"product": {
"name": "17.3.8a",
"product_id": "CSAFPID-300847"
}
}
],
"category": "product_version",
"name": "17.3"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.4.1",
"product": {
"name": "17.4.1",
"product_id": "CSAFPID-262588"
}
}
],
"category": "product_version",
"name": "17.4"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.5.1",
"product": {
"name": "17.5.1",
"product_id": "CSAFPID-262590"
}
}
],
"category": "product_version",
"name": "17.5"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.6.1",
"product": {
"name": "17.6.1",
"product_id": "CSAFPID-262592"
}
},
{
"category": "service_pack",
"name": "17.6.2",
"product": {
"name": "17.6.2",
"product_id": "CSAFPID-282117"
}
},
{
"category": "service_pack",
"name": "17.6.3",
"product": {
"name": "17.6.3",
"product_id": "CSAFPID-286409"
}
},
{
"category": "service_pack",
"name": "17.6.4",
"product": {
"name": "17.6.4",
"product_id": "CSAFPID-287087"
}
},
{
"category": "service_pack",
"name": "17.6.5",
"product": {
"name": "17.6.5",
"product_id": "CSAFPID-290660"
}
},
{
"category": "service_pack",
"name": "17.6.6",
"product": {
"name": "17.6.6",
"product_id": "CSAFPID-292656"
}
},
{
"category": "service_pack",
"name": "17.6.6a",
"product": {
"name": "17.6.6a",
"product_id": "CSAFPID-300848"
}
},
{
"category": "service_pack",
"name": "17.6.5a",
"product": {
"name": "17.6.5a",
"product_id": "CSAFPID-300850"
}
},
{
"category": "service_pack",
"name": "17.6.7",
"product": {
"name": "17.6.7",
"product_id": "CSAFPID-300851"
}
}
],
"category": "product_version",
"name": "17.6"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.7.1",
"product": {
"name": "17.7.1",
"product_id": "CSAFPID-277357"
}
}
],
"category": "product_version",
"name": "17.7"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.10.1",
"product": {
"name": "17.10.1",
"product_id": "CSAFPID-278018"
}
},
{
"category": "service_pack",
"name": "17.10.1b",
"product": {
"name": "17.10.1b",
"product_id": "CSAFPID-292650"
}
}
],
"category": "product_version",
"name": "17.10"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.8.1",
"product": {
"name": "17.8.1",
"product_id": "CSAFPID-278023"
}
}
],
"category": "product_version",
"name": "17.8"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.9.1",
"product": {
"name": "17.9.1",
"product_id": "CSAFPID-278025"
}
},
{
"category": "service_pack",
"name": "17.9.2",
"product": {
"name": "17.9.2",
"product_id": "CSAFPID-288221"
}
},
{
"category": "service_pack",
"name": "17.9.3",
"product": {
"name": "17.9.3",
"product_id": "CSAFPID-290674"
}
},
{
"category": "service_pack",
"name": "17.9.4",
"product": {
"name": "17.9.4",
"product_id": "CSAFPID-295412"
}
},
{
"category": "service_pack",
"name": "17.9.5",
"product": {
"name": "17.9.5",
"product_id": "CSAFPID-300263"
}
},
{
"category": "service_pack",
"name": "17.9.4a",
"product": {
"name": "17.9.4a",
"product_id": "CSAFPID-300845"
}
}
],
"category": "product_version",
"name": "17.9"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.11.1",
"product": {
"name": "17.11.1",
"product_id": "CSAFPID-286799"
}
}
],
"category": "product_version",
"name": "17.11"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.12.1",
"product": {
"name": "17.12.1",
"product_id": "CSAFPID-286801"
}
},
{
"category": "service_pack",
"name": "17.12.2",
"product": {
"name": "17.12.2",
"product_id": "CSAFPID-300834"
}
},
{
"category": "service_pack",
"name": "17.12.3",
"product": {
"name": "17.12.3",
"product_id": "CSAFPID-300936"
}
}
],
"category": "product_version",
"name": "17.12"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.13.1",
"product": {
"name": "17.13.1",
"product_id": "CSAFPID-295359"
}
}
],
"category": "product_version",
"name": "17.13"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.14.1",
"product": {
"name": "17.14.1",
"product_id": "CSAFPID-295361"
}
}
],
"category": "product_version",
"name": "17.14"
},
{
"branches": [
{
"category": "service_pack",
"name": "17.11.99SW",
"product": {
"name": "17.11.99SW",
"product_id": "CSAFPID-296860"
}
}
],
"category": "product_version",
"name": "17.11SW"
}
],
"category": "product_family",
"name": "Cisco IOS XE Software"
}
],
"category": "vendor",
"name": "Cisco"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2024-20434",
"ids": [
{
"system_name": "Cisco Bug ID",
"text": "CSCwi34160"
}
],
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-218901",
"CSAFPID-218903",
"CSAFPID-218905",
"CSAFPID-225856",
"CSAFPID-225858",
"CSAFPID-227918",
"CSAFPID-227920",
"CSAFPID-228706",
"CSAFPID-231682",
"CSAFPID-232008",
"CSAFPID-233155",
"CSAFPID-235307",
"CSAFPID-236834",
"CSAFPID-241736",
"CSAFPID-244530",
"CSAFPID-244900",
"CSAFPID-245377",
"CSAFPID-247629",
"CSAFPID-251075",
"CSAFPID-251225",
"CSAFPID-252272",
"CSAFPID-252913",
"CSAFPID-252914",
"CSAFPID-254712",
"CSAFPID-257955",
"CSAFPID-260741",
"CSAFPID-261241",
"CSAFPID-261465",
"CSAFPID-262390",
"CSAFPID-262549",
"CSAFPID-262588",
"CSAFPID-262590",
"CSAFPID-262592",
"CSAFPID-264096",
"CSAFPID-265735",
"CSAFPID-267110",
"CSAFPID-267605",
"CSAFPID-271798",
"CSAFPID-273445",
"CSAFPID-273448",
"CSAFPID-273509",
"CSAFPID-274818",
"CSAFPID-275538",
"CSAFPID-277099",
"CSAFPID-277147",
"CSAFPID-277148",
"CSAFPID-277255",
"CSAFPID-277321",
"CSAFPID-277338",
"CSAFPID-277343",
"CSAFPID-277348",
"CSAFPID-277357",
"CSAFPID-277945",
"CSAFPID-278018",
"CSAFPID-278019",
"CSAFPID-278023",
"CSAFPID-278025",
"CSAFPID-278881",
"CSAFPID-280463",
"CSAFPID-280555",
"CSAFPID-280651",
"CSAFPID-280652",
"CSAFPID-280801",
"CSAFPID-280937",
"CSAFPID-280938",
"CSAFPID-281654",
"CSAFPID-282028",
"CSAFPID-282115",
"CSAFPID-282117",
"CSAFPID-283835",
"CSAFPID-284331",
"CSAFPID-285325",
"CSAFPID-285326",
"CSAFPID-286031",
"CSAFPID-286409",
"CSAFPID-286799",
"CSAFPID-286801",
"CSAFPID-287087",
"CSAFPID-288221",
"CSAFPID-290660",
"CSAFPID-290671",
"CSAFPID-290674",
"CSAFPID-292650",
"CSAFPID-292656",
"CSAFPID-295359",
"CSAFPID-295361",
"CSAFPID-295398",
"CSAFPID-295412",
"CSAFPID-296860",
"CSAFPID-300263",
"CSAFPID-300834",
"CSAFPID-300845",
"CSAFPID-300847",
"CSAFPID-300848",
"CSAFPID-300850",
"CSAFPID-300851",
"CSAFPID-300936"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
"product_ids": [
"CSAFPID-218901",
"CSAFPID-218903",
"CSAFPID-218905",
"CSAFPID-225856",
"CSAFPID-225858",
"CSAFPID-227918",
"CSAFPID-227920",
"CSAFPID-228706",
"CSAFPID-231682",
"CSAFPID-232008",
"CSAFPID-233155",
"CSAFPID-235307",
"CSAFPID-236834",
"CSAFPID-241736",
"CSAFPID-244530",
"CSAFPID-244900",
"CSAFPID-245377",
"CSAFPID-247629",
"CSAFPID-251075",
"CSAFPID-251225",
"CSAFPID-252272",
"CSAFPID-252913",
"CSAFPID-252914",
"CSAFPID-254712",
"CSAFPID-257955",
"CSAFPID-260741",
"CSAFPID-261241",
"CSAFPID-261465",
"CSAFPID-262390",
"CSAFPID-262549",
"CSAFPID-262588",
"CSAFPID-262590",
"CSAFPID-262592",
"CSAFPID-264096",
"CSAFPID-265735",
"CSAFPID-267110",
"CSAFPID-267605",
"CSAFPID-271798",
"CSAFPID-273445",
"CSAFPID-273448",
"CSAFPID-273509",
"CSAFPID-274818",
"CSAFPID-275538",
"CSAFPID-277099",
"CSAFPID-277147",
"CSAFPID-277148",
"CSAFPID-277255",
"CSAFPID-277321",
"CSAFPID-277338",
"CSAFPID-277343",
"CSAFPID-277348",
"CSAFPID-277357",
"CSAFPID-277945",
"CSAFPID-278018",
"CSAFPID-278019",
"CSAFPID-278023",
"CSAFPID-278025",
"CSAFPID-278881",
"CSAFPID-280463",
"CSAFPID-280555",
"CSAFPID-280651",
"CSAFPID-280652",
"CSAFPID-280801",
"CSAFPID-280937",
"CSAFPID-280938",
"CSAFPID-281654",
"CSAFPID-282028",
"CSAFPID-282115",
"CSAFPID-282117",
"CSAFPID-283835",
"CSAFPID-284331",
"CSAFPID-285325",
"CSAFPID-285326",
"CSAFPID-286031",
"CSAFPID-286409",
"CSAFPID-286799",
"CSAFPID-286801",
"CSAFPID-287087",
"CSAFPID-288221",
"CSAFPID-290660",
"CSAFPID-290671",
"CSAFPID-290674",
"CSAFPID-292650",
"CSAFPID-292656",
"CSAFPID-295359",
"CSAFPID-295361",
"CSAFPID-295398",
"CSAFPID-295412",
"CSAFPID-296860",
"CSAFPID-300263",
"CSAFPID-300834",
"CSAFPID-300845",
"CSAFPID-300847",
"CSAFPID-300848",
"CSAFPID-300850",
"CSAFPID-300851",
"CSAFPID-300936"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
"CSAFPID-218901",
"CSAFPID-218903",
"CSAFPID-218905",
"CSAFPID-225856",
"CSAFPID-225858",
"CSAFPID-227918",
"CSAFPID-227920",
"CSAFPID-228706",
"CSAFPID-231682",
"CSAFPID-232008",
"CSAFPID-233155",
"CSAFPID-235307",
"CSAFPID-236834",
"CSAFPID-241736",
"CSAFPID-244530",
"CSAFPID-244900",
"CSAFPID-245377",
"CSAFPID-247629",
"CSAFPID-251075",
"CSAFPID-251225",
"CSAFPID-252272",
"CSAFPID-252913",
"CSAFPID-252914",
"CSAFPID-254712",
"CSAFPID-257955",
"CSAFPID-260741",
"CSAFPID-261241",
"CSAFPID-261465",
"CSAFPID-262390",
"CSAFPID-262549",
"CSAFPID-262588",
"CSAFPID-262590",
"CSAFPID-262592",
"CSAFPID-264096",
"CSAFPID-265735",
"CSAFPID-267110",
"CSAFPID-267605",
"CSAFPID-271798",
"CSAFPID-273445",
"CSAFPID-273448",
"CSAFPID-273509",
"CSAFPID-274818",
"CSAFPID-275538",
"CSAFPID-277099",
"CSAFPID-277147",
"CSAFPID-277148",
"CSAFPID-277255",
"CSAFPID-277321",
"CSAFPID-277338",
"CSAFPID-277343",
"CSAFPID-277348",
"CSAFPID-277357",
"CSAFPID-277945",
"CSAFPID-278018",
"CSAFPID-278019",
"CSAFPID-278023",
"CSAFPID-278025",
"CSAFPID-278881",
"CSAFPID-280463",
"CSAFPID-280555",
"CSAFPID-280651",
"CSAFPID-280652",
"CSAFPID-280801",
"CSAFPID-280937",
"CSAFPID-280938",
"CSAFPID-281654",
"CSAFPID-282028",
"CSAFPID-282115",
"CSAFPID-282117",
"CSAFPID-283835",
"CSAFPID-284331",
"CSAFPID-285325",
"CSAFPID-285326",
"CSAFPID-286031",
"CSAFPID-286409",
"CSAFPID-286799",
"CSAFPID-286801",
"CSAFPID-287087",
"CSAFPID-288221",
"CSAFPID-290660",
"CSAFPID-290671",
"CSAFPID-290674",
"CSAFPID-292650",
"CSAFPID-292656",
"CSAFPID-295359",
"CSAFPID-295361",
"CSAFPID-295398",
"CSAFPID-295412",
"CSAFPID-296860",
"CSAFPID-300263",
"CSAFPID-300834",
"CSAFPID-300845",
"CSAFPID-300847",
"CSAFPID-300848",
"CSAFPID-300850",
"CSAFPID-300851",
"CSAFPID-300936"
]
}
],
"title": "Cisco Catalyst 9000 Series Switches Denial of Service Vulnerability"
}
]
}
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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.