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vulnrichmentGitHub_MVULNRICHMENT:CVE-2023-38493
HistoryJul 25, 2023 - 8:51 p.m.

CVE-2023-38493 Paths contain matrix variables bypass decorators

2023-07-2520:51:11
CWE-863
GitHub_M
github.com
2
armeria
microservice
security bypass
matrix variables
patch
cve-2023-38493
spring
tomcatservice
jettyservice

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

Armeria is a microservice framework Spring supports Matrix variables. When Spring integration is used, Armeria calls Spring controllers via TomcatService or JettyService with the path that may contain matrix variables. Prior to version 1.24.3, the Armeria decorators might not invoked because of the matrix variables. If an attacker sends a specially crafted request, the request may bypass the authorizer. Version 1.24.3 contains a patch for this issue.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:linecorp:armeria:*:*:*:*:*:*:*:*"
    ],
    "vendor": "linecorp",
    "product": "armeria",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.24.3",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

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