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cvelistINCIBECVELIST:CVE-2023-4494
HistoryOct 04, 2023 - 12:27 p.m.

CVE-2023-4494 Easy Chat Server Stack-based buffer overflow vulnerability

2023-10-0412:27:04
CWE-119
INCIBE
www.cve.org
2
cve-2023-4494
stack-based buffer overflow
easy chat server
remote machine
arbitrary code execution

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

49.0%

Stack-based buffer overflow vulnerability in Easy Chat Server 3.1 version. An attacker could send an excessively long username string to the register.ghp file asking for the name via a GET request resulting in arbitrary code execution on the remote machine.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Easy Chat Server",
    "vendor": "EFS Software",
    "versions": [
      {
        "lessThanOrEqual": "3.1",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

49.0%

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