CVE-2019-18948

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases in the 4.23.x train, and all releases in 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 code train.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47	Patch Vendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos:4.15:::::::*
	cpe:2.3:o:arista:eos:4.16:::::::*
	cpe:2.3:o:arista:eos:4.17:::::::*
	cpe:2.3:o:arista:eos:4.18:::::::*
	cpe:2.3:o:arista:eos:4.19:::::::*
	cpe:2.3:o:arista:eos:4.20:::::::*

History

21 Nov 2024, 04:33

Type	Values Removed	Values Added
References	~~() https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47 - Patch, Vendor Advisory~~	() https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47 - Patch, Vendor Advisory

Information

Published : 2020-04-16 19:15

Updated : 2024-11-21 04:33

NVD link : CVE-2019-18948

Mitre link : CVE-2019-18948

CVE.ORG link : CVE-2019-18948

JSON object : View

Products Affected

arista

eos

CWE

NVD-CWE-noinfo

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