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GSD-2021-1379
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
Aliases
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CVE-2021-1379 (GCVE-0-2021-1379)
Vulnerability from cvelistv5 – Published: 2024-11-18 15:42 – Updated: 2024-11-18 16:23
VLAI?
EPSS
Summary
Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series 68xx/78xx/88xx could allow an unauthenticated, adjacent attacker to execute code remotely or cause a reload of an affected IP phone.
These vulnerabilities are due to missing checks when the IP phone processes a Cisco Discovery Protocol or LLDP packet. An attacker could exploit these vulnerabilities by sending a malicious Cisco Discovery Protocol or LLDP packet to the targeted IP phone. A successful exploit could allow the attacker to execute code on the affected IP phone or cause it to reload unexpectedly, resulting in a denial of service (DoS) condition.Note: Cisco Discovery Protocol is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
Severity ?
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco IP Phones with Multiplatform Firmware |
Affected:
11.1.2
Affected: 11.2.1 Affected: 11.2.3 Affected: 11.2.2 Affected: 11.2.3 MSR1-1 Affected: 11.1.2 MSR1-1 Affected: 11.1.1 Affected: 11.1.2 MSR3-1 Affected: 11.0.0 Affected: 11.1.1 MSR1-1 Affected: 11.0.1 Affected: 11.1.1 MSR2-1 Affected: 11.2.4 Affected: 11.0.1 MSR1-1 Affected: 11.0.2 Affected: 11.3.1 Affected: 11.3.1 MSR1-3 Affected: 11.3.2 Affected: 11.3.1 MSR2-6 Affected: 11.3.1 MSR3-3 |
||||||||||||
|
||||||||||||||
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"version": "11.0(3)SR4"
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"version": "11.0(3)SR3"
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"version": "11.0(2)SR2"
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"version": "11.0(4)SR1"
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"version": "11.0(3)"
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"version": "11.0(3)SR6"
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"version": "11.0(5)SR1"
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"descriptions": [
{
"lang": "en",
"value": "Multiple vulnerabilities in the Cisco\u0026nbsp;Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco\u0026nbsp;IP Phone Series 68xx/78xx/88xx could allow an unauthenticated, adjacent attacker to execute code remotely or cause a reload of an affected IP phone.\r\nThese vulnerabilities are due to missing checks when the IP phone processes a Cisco\u0026nbsp;Discovery Protocol or LLDP packet. An attacker could exploit these vulnerabilities by sending a malicious Cisco\u0026nbsp;Discovery Protocol or LLDP packet to the targeted IP phone. A successful exploit could allow the attacker to execute code on the affected IP phone or cause it to reload unexpectedly, resulting in a denial of service (DoS) condition.Note: Cisco\u0026nbsp;Discovery Protocol is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).Cisco\u0026nbsp;has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities."
}
],
"exploits": [
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"lang": "en",
"value": "The Cisco\u00a0Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/RL:X/RC:X/E:X",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-120",
"description": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-11-18T15:42:00.388Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-ipphone-rce-dos-U2PsSkz3",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipphone-rce-dos-U2PsSkz3"
},
{
"name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-distupd-N87eB6Z3",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-distupd-N87eB6Z3"
}
],
"source": {
"advisory": "cisco-sa-ipphone-rce-dos-U2PsSkz3",
"defects": [
"CSCvu59351"
],
"discovery": "EXTERNAL"
},
"title": "Cisco IP Phones Cisco Discovery Protocol and Link Layer Discovery Protocol Remote Code Execution and Denial of Service Vulnerabilities"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2021-1379",
"datePublished": "2024-11-18T15:42:00.388Z",
"dateReserved": "2020-11-13T00:00:00.000Z",
"dateUpdated": "2024-11-18T16:23:13.534Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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