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VulDBVULNRICHMENT:CVE-2024-8408

HistorySep 04, 2024 - 2:00 p.m.

CVE-2024-8408 Linksys WRT54G POST Parameter apply.cgi validate_services_port stack-based overflow

2024-09-0414:00:06

CWE-121

VulDB

github.com

linksys wrt54g

post parameter

apply.cgi

vulnerability

stack-based overflow

buffer overflow

remote attack

public exploit

vendor disclosure.

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

6.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

CVSS4

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/SC:N/VI:L/SI:N/VA:L/SA:N

AI Score

7.1

Confidence

Low

EPSS

0.002

Percentile

61.9%

SSVC

Exploitation

poc

Automatable

Technical Impact

partial

JSON

A vulnerability was found in Linksys WRT54G 4.21.5. It has been rated as critical. Affected by this issue is the function validate_services_port of the file /apply.cgi of the component POST Parameter Handler. The manipulation of the argument services_array leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:h:linksys:wrt54g:4.21.5:*:*:*:*:*:*:*"
    ],
    "vendor": "linksys",
    "product": "wrt54g",
    "versions": [
      {
        "status": "affected",
        "version": "4.21.5"
      }
    ],
    "defaultStatus": "unknown"
  }
]

References

github.com/BuaaIOTTeam/Iot_Linksys/blob/main/Linksys_WRT54G_validate_services_port.md

vuldb.com/?ctiid.276488

vuldb.com/?id.276488

vuldb.com/?submit.398567

www.linksys.com/

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

6.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

CVSS4

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/SC:N/VI:L/SI:N/VA:L/SA:N

AI Score

7.1

Confidence

Low

EPSS

0.002

Percentile

61.9%

SSVC

Exploitation

poc

Automatable

Technical Impact

partial

JSON

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