medium
5.9
CWE
362
Advisory Published
Updated

CVE-2019-14810: Race Condition

First published: Thu Oct 10 2019(Updated: )

A vulnerability has been found in the implementation of the Label Distribution Protocol (LDP) protocol in EOS. Under race conditions, the LDP agent can establish an LDP session with a malicious peer potentially allowing the possibility of a Denial of Service (DoS) attack on route updates and in turn potentially leading to an Out of Memory (OOM) condition that is disruptive to traffic forwarding. Affected EOS versions include: 4.22 release train: 4.22.1F and earlier releases 4.21 release train: 4.21.0F - 4.21.2.3F, 4.21.3F - 4.21.7.1M 4.20 release train: 4.20.14M and earlier releases 4.19 release train: 4.19.12M and earlier releases End of support release trains (4.18 and 4.17)

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Arista Extensible Operating System>=4.19<=4.19.12m
Arista Extensible Operating System>=4.20<=4.20.14m
Arista Extensible Operating System>=4.21.0f<=4.21.2.3f
Arista Extensible Operating System>=4.21.3f<=4.21.7
Arista Extensible Operating System=4.17
Arista Extensible Operating System=4.18
Arista Extensible Operating System=4.22.1f
Arista 7020r
Arista 7280e
Arista 7280r
Arista 7280r2
Arista 7280r3
Arista 7500e
Arista 7500r
Arista 7500r2
Arista 7500r3

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2019-14810.

  • What is the affected software?

    The affected software is Arista Extensible Operating System (EOS).

  • What is the severity of CVE-2019-14810?

    The severity of CVE-2019-14810 is medium with a CVSS score of 5.9.

  • What is the risk of CVE-2019-14810?

    CVE-2019-14810 poses a risk of Denial of Service (DoS) attack on route updates in the affected software.

  • How can I fix CVE-2019-14810?

    To fix CVE-2019-14810, it is recommended to update to a patched version of Arista Extensible Operating System (EOS) as mentioned in the Arista advisory.

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