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CVE-2025-55297 (GCVE-0-2025-55297)

Vulnerability from cvelistv5 – Published: 2025-08-21 15:05 – Updated: 2025-08-22 11:32
VLAI
Title
ESF-IDF BluFi Example Memory Overflow Vulnerability
Summary
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie–Hellman key exchange. This vulnerability is fixed in 5.4.1, 5.3.3, 5.1.6, and 5.0.9.
Severity
5.2 (Medium)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-22 11:32 UTC
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-131 - Incorrect Calculation of Buffer Size
Assigner
References
Impacted products
Vendor Product Version CPE status
espressif esp-idf Affected: < 5.0.9
Affected: >= 5.1-beta1, < 5.1.6
Affected: >= 5.2-beta1, < 5.3.3
Affected: >= 5.4-beta1, < 5.4.1
guessed Create a notification for this product.
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      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
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      "title": "ESF-IDF BluFi Example Memory Overflow Vulnerability",
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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-55297\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-08-22T11:32:27.655323Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-08-22T11:32:42.396Z\"}}], \"cna\": {\"title\": \"ESF-IDF BluFi Example Memory Overflow Vulnerability\", \"source\": {\"advisory\": \"GHSA-9w88-r2vm-qfc4\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 5.2, \"attackVector\": \"ADJACENT\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"espressif\", \"product\": \"esp-idf\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 5.0.9\"}, {\"status\": \"affected\", \"version\": \"\u003e= 5.1-beta1, \u003c 5.1.6\"}, {\"status\": \"affected\", \"version\": \"\u003e= 5.2-beta1, \u003c 5.3.3\"}, {\"status\": \"affected\", \"version\": \"\u003e= 5.4-beta1, \u003c 5.4.1\"}]}], \"references\": [{\"url\": \"https://github.com/espressif/esp-idf/security/advisories/GHSA-9w88-r2vm-qfc4\", \"name\": \"https://github.com/espressif/esp-idf/security/advisories/GHSA-9w88-r2vm-qfc4\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/12b7a9e6d78012ab9184b7ccdb5524364bf7e345\", \"name\": \"https://github.com/espressif/esp-idf/commit/12b7a9e6d78012ab9184b7ccdb5524364bf7e345\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/3fc6c93936077cb1659e1f0e0268e62cf6423e9d\", \"name\": \"https://github.com/espressif/esp-idf/commit/3fc6c93936077cb1659e1f0e0268e62cf6423e9d\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/5f93ec3b11b6115475c34de57093b3672d594e8f\", \"name\": \"https://github.com/espressif/esp-idf/commit/5f93ec3b11b6115475c34de57093b3672d594e8f\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/9cb7206d4ae8fd8f4296cd57d6c78a1656f42efa\", \"name\": \"https://github.com/espressif/esp-idf/commit/9cb7206d4ae8fd8f4296cd57d6c78a1656f42efa\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/abc18e93eb3500dbec74c3e589671ef82c8b3919\", \"name\": \"https://github.com/espressif/esp-idf/commit/abc18e93eb3500dbec74c3e589671ef82c8b3919\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/b1657d9dd4d0e48ed25e02cb8fe8413f479a2a84\", \"name\": \"https://github.com/espressif/esp-idf/commit/b1657d9dd4d0e48ed25e02cb8fe8413f479a2a84\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/bf50c0c197af30990026c8f8286298d2aa5a3c99\", \"name\": \"https://github.com/espressif/esp-idf/commit/bf50c0c197af30990026c8f8286298d2aa5a3c99\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/cb6929a2e6f2ff130b742332dc15eb23006c7cc9\", \"name\": \"https://github.com/espressif/esp-idf/commit/cb6929a2e6f2ff130b742332dc15eb23006c7cc9\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/cc00e9f2fc4f7e8fbaff27851b4a8b45fa483501\", \"name\": \"https://github.com/espressif/esp-idf/commit/cc00e9f2fc4f7e8fbaff27851b4a8b45fa483501\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/e65cf7ea2a2be52219ec9d4efc44aed5e490e91c\", \"name\": \"https://github.com/espressif/esp-idf/commit/e65cf7ea2a2be52219ec9d4efc44aed5e490e91c\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/f40aa9c587a8e570dfde2e6330382dcd170d5a5d\", \"name\": \"https://github.com/espressif/esp-idf/commit/f40aa9c587a8e570dfde2e6330382dcd170d5a5d\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/espressif/esp-idf/commit/f77da0d5b5382635c99e6708551b73802ad1213d\", \"name\": \"https://github.com/espressif/esp-idf/commit/f77da0d5b5382635c99e6708551b73802ad1213d\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie\\u2013Hellman key exchange. This vulnerability is fixed in 5.4.1, 5.3.3, 5.1.6, and 5.0.9.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-120\", \"description\": \"CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-131\", \"description\": \"CWE-131: Incorrect Calculation of Buffer Size\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2025-08-21T15:05:06.805Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-55297\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-22T11:32:48.470Z\", \"dateReserved\": \"2025-08-12T16:15:30.238Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2025-08-21T15:05:06.805Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.