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cvelistZdiCVELIST:CVE-2023-27361
HistoryMay 03, 2024 - 1:56 a.m.

CVE-2023-27361 NETGEAR RAX30 rex_cgi JSON Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

2024-05-0301:56:12
CWE-121
zdi
www.cve.org
8
netgear rax30
rex_cgi
json parsing
buffer overflow
remote code execution
vulnerability
validation
user-supplied data
root context
zdi-can-19355

CVSS3

6.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

16.2%

NETGEAR RAX30 rex_cgi JSON Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR RAX30 routers. Authentication is required to exploit this vulnerability.

The specific flaw exists within the handling of JSON data. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19355.

CNA Affected

[
  {
    "vendor": "NETGEAR",
    "product": "RAX30",
    "versions": [
      {
        "version": "1.0.6.74_1",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

CVSS3

6.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

16.2%

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