Vulnerability Monitor

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CVE-2019-14810

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)

Published

2019-10-10T19:15:10.950

Last Modified

2024-11-21T04:27:24.337

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System arista extensible_operating_system ≤ 4.19.12m Yes
Operating System arista extensible_operating_system ≤ 4.20.14m Yes
Operating System arista extensible_operating_system ≤ 4.21.2.3f Yes
Operating System arista extensible_operating_system ≤ 4.21.7 Yes
Operating System arista extensible_operating_system 4.17 Yes
Operating System arista extensible_operating_system 4.18 Yes
Operating System arista extensible_operating_system 4.22.1f Yes
Hardware arista 7020r - No
Hardware arista 7280e - No
Hardware arista 7280r - No
Hardware arista 7280r2 - No
Hardware arista 7280r3 - No
Hardware arista 7500e - No
Hardware arista 7500r - No
Hardware arista 7500r2 - No
Hardware arista 7500r3 - No
References