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cvelistZdiCVELIST:CVE-2022-43631
HistoryMar 29, 2023 - 12:00 a.m.

CVE-2022-43631

2023-03-2900:00:00
CWE-78
zdi
www.cve.org
vulnerability
d-link dir-1935
code execution
authentication bypass
setvirtualserversettings
web management portal
system call
root context

6.8 Medium

CVSS3

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

0.001 Low

EPSS

Percentile

20.5%

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of SetVirtualServerSettings requests to the web management portal. When parsing subelements within the VirtualServerInfo element, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16151.

CNA Affected

[
  {
    "vendor": "D-Link",
    "product": "DIR-1935",
    "versions": [
      {
        "version": "1.03",
        "status": "affected"
      }
    ]
  }
]

6.8 Medium

CVSS3

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

0.001 Low

EPSS

Percentile

20.5%

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