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vulnrichmentElasticVULNRICHMENT:CVE-2023-46667
HistoryOct 26, 2023 - 12:59 a.m.

CVE-2023-46667 Fleet Server Insertion of Sensitive Information into Log File

2023-10-2600:59:36
CWE-532
elastic
github.com
2
cve-2023-46667
fleet server
sensitive information
log file
agent enrolment tokens
threat actor
elasticsearch
third-party services
arbitrary events

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6.9

Confidence

Low

EPSS

0.001

Percentile

21.4%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

An issue was discovered in Fleet Server >= v8.10.0 and < v8.10.3 where Agent enrolment tokens are being inserted into the Fleet Server’s log file in plain text. These enrolment tokens could allow someone to enrol an agent into an agent policy, and potentially use that to retrieve other secrets in the policy including for Elasticsearch and third-party services. Alternatively a threat actor could potentially enrol agents to the clusters and send arbitrary events to Elasticsearch.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:elastic:fleet_server:*:*:*:*:*:*:*:*"
    ],
    "vendor": "elastic",
    "product": "fleet_server",
    "versions": [
      {
        "status": "affected",
        "version": "8.10.0",
        "lessThan": "8.10.3",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unknown"
  }
]

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6.9

Confidence

Low

EPSS

0.001

Percentile

21.4%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

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