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VAR-202307-1521

Vulnerability from variot - Updated: 2024-08-14 15:10

An issue was discovered on Espressif ESP32 3.0 (ESP32_rev300 ROM) devices. An EMFI attack on ECO3 provides the attacker with a capability to influence the PC value at the CPU context level, regardless of Secure Boot and Flash Encryption status. By using this capability, the attacker can exploit another behavior in the chip to gain unauthorized access to the ROM download mode. Access to ROM download mode may be further exploited to read the encrypted flash content in cleartext format or execute stub code. esp32-d0wd-v3 firmware, esp32-d0wdr2-v3 firmware, esp32-u4wdh firmware etc. Espressif Systems There are unspecified vulnerabilities in the product.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

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CVE-2023-35818 (GCVE-0-2023-35818)

Vulnerability from cvelistv5 – Published: 2023-07-17 00:00 – Updated: 2024-10-31 15:25

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

2 references

URL	Tags
https://espressif.com
https://www.espressif.com/sites/default/files/adv…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T16:30:45.370Z",
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          {
            "tags": [
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            "url": "https://www.espressif.com/sites/default/files/advisory_downloads/AR2023-005%20Security%20Advisory%20Concerning%20Bypassing%20Secure%20Boot%20and%20Flash%20Encryption%20Using%20EMFI%20EN.pdf"
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      {
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                "id": "CVE-2023-35818",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-31T15:19:53.495360Z",
                "version": "2.0.3"
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                "lang": "en",
                "type": "CWE"
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        "providerMetadata": {
          "dateUpdated": "2024-10-31T15:25:01.252Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "vendor": "n/a",
          "versions": [
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              "version": "n/a"
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      "descriptions": [
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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

VAR-202307-1521

CVE-2023-35818 (GCVE-0-2023-35818)

Tags

Sightings

Nomenclature