github - ghsa-67c4-7f3g-r556

GHSA-67C4-7F3G-R556

Vulnerability from github – Published: 2023-12-21 21:30 – Updated: 2023-12-21 21:30

Details

An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.

Severity ?

4.6 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2023-41097"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-203",
      "CWE-208"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-12-21T21:15:08Z",
    "severity": "MODERATE"
  },
  "details": "An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.\n\n",
  "id": "GHSA-67c4-7f3g-r556",
  "modified": "2023-12-21T21:30:31Z",
  "published": "2023-12-21T21:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-41097"
    },
    {
      "type": "WEB",
      "url": "https://github.com/SiliconLabs/gecko_sdk/releases"
    },
    {
      "type": "WEB",
      "url": "https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000007rArIAI?operationContext=S1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-41097 (GCVE-0-2023-41097)

Vulnerability from cvelistv5 – Published: 2023-12-21 20:33 – Updated: 2025-04-23 16:23

Summary

An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.

Severity ?

4.6 (Medium)


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

CWE

CWE-208 - Observable Timing Discrepancy
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

Silabs

References

URL

Tags

	https://siliconlabs.lightning.force.com/sfc/servl…	vendor-advisory
	https://github.com/SiliconLabs/gecko_sdk/releases	patch

Impacted products

	Vendor	Product	Version
	silabs.com	GSDK	Affected: 0 , < 4.4.0 (LessThan)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T18:46:11.874Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000007rArIAI?operationContext=S1"
          },
          {
            "tags": [
              "patch",
              "x_transferred"
            ],
            "url": "https://github.com/SiliconLabs/gecko_sdk/releases"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-41097",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-02T15:23:21.392152Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-23T16:23:05.829Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "platforms": [
            "ARM"
          ],
          "product": "GSDK",
          "repo": "https://github.com/SiliconLabs/gecko_sdk/releases",
          "vendor": "silabs.com",
          "versions": [
            {
              "lessThan": "4.4.0",
              "status": "affected",
              "version": "0",
              "versionType": "LessThan"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.\u003cp\u003eThis issue affects GSDK: through 4.4.0.\u003c/p\u003e"
            }
          ],
          "value": "An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-463",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-463 Padding Oracle Crypto Attack"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-208",
              "description": "CWE-208 Observable Timing Discrepancy",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-327",
              "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-25T16:29:16.615Z",
        "orgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
        "shortName": "Silabs"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000007rArIAI?operationContext=S1"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/SiliconLabs/gecko_sdk/releases"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Potential Timing vulnerability in CBC PKCS7 padding calculations",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
    "assignerShortName": "Silabs",
    "cveId": "CVE-2023-41097",
    "datePublished": "2023-12-21T20:33:04.967Z",
    "dateReserved": "2023-08-23T04:17:16.169Z",
    "dateUpdated": "2025-04-23T16:23:05.829Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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-67C4-7F3G-R556

CVE-2023-41097 (GCVE-0-2023-41097)

Tags

Sightings

Nomenclature