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SnykCVELIST:CVE-2021-23360

HistoryMar 21, 2021 - 3:45 p.m.

CVE-2021-23360 Arbitrary Command Injection

2021-03-2115:45:15

snyk

www.cve.org

cve-2021-23360

arbitrary command injection

killport package

input sanitization

child_process exec function

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.002

Percentile

60.2%

JSON

This affects the package killport before 1.0.2. If (attacker-controlled) user input is given, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization. Running this PoC will cause the command touch success to be executed, leading to the creation of a file called success.

CNA Affected

[
  {
    "product": "killport",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "1.0.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/ssnau/killport/blob/5268f23ea8f152e47182b263d8f7ef20c12a9f28/index.js%23L9

github.com/ssnau/killport/commit/bec8e371f170a12e11cd222ffc7a6e1ae9942638

snyk.io/vuln/SNYK-JS-KILLPORT-1078535

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.002

Percentile

60.2%

JSON

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