Vulnerability-Lookup

GHSA-8MJP-V767-XR8V

Vulnerability from github – Published: 2022-05-24 16:48 – Updated: 2024-04-04 00:59

Details

Recently it was discovered as a part of the research on IoT devices in the most recent firmware for Shekar Endoscope that an attacker connected to the device Wi-Fi SSID can exploit a memory corruption issue and execute remote code on the device. This device acts as an Endoscope camera that allows its users to use it in various industrial systems and settings, car garages, and also in some cases in the medical clinics to get access to areas that are difficult for a human being to reach. Any breach of this system can allow an attacker to get access to video feed and pictures viewed by that user and might allow them to get a foot hold in air gapped networks especially in case of nation critical infrastructure/industries. The firmware contains binary uvc_stream that is the UDP daemon which is responsible for handling all the UDP requests that the device receives. The client application sends a UDP request to change the Wi-Fi name which contains the following format: "SETCMD0001+0001+[2 byte length of wifiname]+[Wifiname]. This request is handled by "control_Dev_thread" function which at address "0x00409AE0" compares the incoming request and determines if the 10th byte is 01 and if it is then it redirects to 0x0040A74C which calls the function "setwifiname". The function "setwifiname" uses a memcpy function but uses the length of the payload obtained by using strlen function as the third parameter which is the number of bytes to copy and this allows an attacker to overflow the function and control the $PC value.

Severity

8.8 (High)


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

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  "affected": [],
  "aliases": [
    "CVE-2017-10723"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-06-17T22:15:00Z",
    "severity": "HIGH"
  },
  "details": "Recently it was discovered as a part of the research on IoT devices in the most recent firmware for Shekar Endoscope that an attacker connected to the device Wi-Fi SSID can exploit a memory corruption issue and execute remote code on the device. This device acts as an Endoscope camera that allows its users to use it in various industrial systems and settings, car garages, and also in some cases in the medical clinics to get access to areas that are difficult for a human being to reach. Any breach of this system can allow an attacker to get access to video feed and pictures viewed by that user and might allow them to get a foot hold in air gapped networks especially in case of nation critical infrastructure/industries. The firmware contains binary uvc_stream that is the UDP daemon which is responsible for handling all the UDP requests that the device receives. The client application sends a UDP request to change the Wi-Fi name which contains the following format: \"SETCMD0001+0001+[2 byte length of wifiname]+[Wifiname]. This request is handled by \"control_Dev_thread\" function which at address \"0x00409AE0\" compares the incoming request and determines if the 10th byte is 01 and if it is then it redirects to 0x0040A74C which calls the function \"setwifiname\". The function \"setwifiname\" uses a memcpy function but uses the length of the payload obtained by using strlen function as the third parameter which is the number of bytes to copy and this allows an attacker to overflow the function and control the $PC value.",
  "id": "GHSA-8mjp-v767-xr8v",
  "modified": "2024-04-04T00:59:14Z",
  "published": "2022-05-24T16:48:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-10723"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Shekar_boriscope_sec_issues.pdf"
    },
    {
      "type": "WEB",
      "url": "https://seclists.org/bugtraq/2019/Jun/8"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/153241/Shekar-Endoscope-Weak-Default-Settings-Memory-Corruption.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2017-10723 (GCVE-0-2017-10723)

Vulnerability from cvelistv5 – Published: 2019-06-17 21:32 – Updated: 2024-08-05 17:41

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

3 references

URL	Tags
https://seclists.org/bugtraq/2019/Jun/8	mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/153241/Sheka…	x_refsource_MISC
https://github.com/ethanhunnt/IoT_vulnerabilities…	x_refsource_MISC

Date Public

2019-06-07 00:00

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-8MJP-V767-XR8V

CVE-2017-10723 (GCVE-0-2017-10723)

Tags

Sightings

Nomenclature