5.9
MEDIUM
CVE-2019-14810
Arista EOS LDP Session Establishment Denial of Service and Out of Memory Vulnerability
Description

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)

INFO

Published Date :

Oct. 10, 2019, 7:15 p.m.

Last Modified :

Nov. 21, 2024, 4:27 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2019-14810 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Arista extensible_operating_system
2 Arista 7020r
3 Arista 7280e
4 Arista 7280r
5 Arista 7280r2
6 Arista 7280r3
7 Arista 7500e
8 Arista 7500r
9 Arista 7500r2
10 Arista 7500r3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-14810.

URL Resource
https://www.arista.com/en/support/advisories-notices Vendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/8321-security-advisory-42 Vendor Advisory
https://www.arista.com/en/support/advisories-notices Vendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/8321-security-advisory-42 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-14810 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-14810 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.arista.com/en/support/advisories-notices
    Added Reference https://www.arista.com/en/support/advisories-notices/security-advisories/8321-security-advisory-42
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Oct. 21, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.arista.com/en/support/advisories-notices No Types Assigned https://www.arista.com/en/support/advisories-notices Vendor Advisory
    Changed Reference Type https://www.arista.com/en/support/advisories-notices/security-advisories/8321-security-advisory-42 No Types Assigned https://www.arista.com/en/support/advisories-notices/security-advisories/8321-security-advisory-42 Vendor Advisory
    Added CWE NIST CWE-362
    Added CPE Configuration AND OR *cpe:2.3:o:arista:extensible_operating_system:4.17:*:*:*:*:*:*:* *cpe:2.3:o:arista:extensible_operating_system:4.18:*:*:*:*:*:*:* *cpe:2.3:o:arista:extensible_operating_system:*:*:*:*:*:*:*:* versions from (including) 4.19 up to (including) 4.19.12m *cpe:2.3:o:arista:extensible_operating_system:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (including) 4.20.14m *cpe:2.3:o:arista:extensible_operating_system:*:*:*:*:*:*:*:* versions from (including) 4.21.0f up to (including) 4.21.2.3f *cpe:2.3:o:arista:extensible_operating_system:*:*:*:*:*:*:*:* versions from (including) 4.21.3f up to (including) 4.21.7 *cpe:2.3:o:arista:extensible_operating_system:4.22.1f:*:*:*:*:*:*:* OR cpe:2.3:h:arista:7020r:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280e:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280r:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280r2:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280r3:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7500e:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7500r:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7500r2:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7500r3:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-14810 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-14810 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.12 }} 0.00%

score

0.43820

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
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Scope
Confidentiality
Integrity
Availability