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CVE-2023-4264 (GCVE-0-2023-4264)

Vulnerability from cvelistv5 – Published: 2023-09-26 18:34 – Updated: 2025-06-18 14:13
VLAI
Title
Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem
Summary
Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-18 14:13 UTC
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-121 - Stack-based Buffer Overflow A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
  • CWE-122 - Heap-based Buffer Overflow A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Impacted products
Vendor Product Version CPE status
zephyrproject-rtos Zephyr Affected: 0 , ≤ 3.4 (git)
guessed Create a notification for this product.
Show details on NVD website

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                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-120",
                  "description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-121",
                  "description": "CWE-121 Stack-based Buffer Overflow A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-122",
                  "description": "CWE-122 Heap-based Buffer Overflow A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-11-14T03:06:20.031Z",
            "orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad",
            "shortName": "zephyr"
          },
          "references": [
            {
              "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rgx6-3w4j-gf5j"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/11/07/1"
            },
            {
              "url": "http://seclists.org/fulldisclosure/2023/Nov/1"
            },
            {
              "url": "http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem",
          "x_generator": {
            "engine": "Vulnogram 0.1.0-dev"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad",
        "assignerShortName": "zephyr",
        "cveId": "CVE-2023-4264",
        "datePublished": "2023-09-26T18:34:52.817Z",
        "dateReserved": "2023-08-08T21:12:31.078Z",
        "dateUpdated": "2025-06-18T14:13:45.830Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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