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GitHub_MCVE-2020-15114

HistoryAug 06, 2020 - 11:15 p.m.

CVE-2020-15114

2020-08-0623:15:11

CWE-772

CWE-400

GitHub_M

web.nvd.nist.gov

etcd

gateway

denial of service

vulnerability

cve-2020-15114

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

35.0%

JSON

In etcd before versions 3.3.23 and 3.4.10, the etcd gateway is a simple TCP proxy to allow for basic service discovery and access. However, it is possible to include the gateway address as an endpoint. This results in a denial of service, since the endpoint can become stuck in a loop of requesting itself until there are no more available file descriptors to accept connections on the gateway.

Affected configurations

Nvd

Vulners

Node

redhatetcdRange3.3.0–3.3.23

redhatetcdRange3.4.0–3.4.10

Node

fedoraprojectfedoraMatch32

VendorProductVersionCPE
redhatetcd*cpe:2.3:a:redhat:etcd:*:*:*:*:*:*:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
redhat	etcd	*	cpe:2.3:a:redhat:etcd::::::::
fedoraproject	fedora	32	cpe:2.3:o:fedoraproject:fedora:32:::::::*

CNA Affected

[
  {
    "product": "etcd",
    "vendor": "etcd-io",
    "versions": [
      {
        "status": "affected",
        "version": "< 3.3.23"
      },
      {
        "status": "affected",
        "version": "< 3.4.10"
      }
    ]
  }
]