Vulnerability-Lookup

VAR-202110-0182

Vulnerability from variot - Updated: 2025-02-14 22:55

Assuming system privilege is gained, possible buffer overflow vulnerabilities in the Vision DSP kernel driver prior to SMR Oct-2021 Release 1 allows privilege escalation to Root by hijacking loaded library. Samsung Vision DSP kernel driver is a driver used by Samsung mobile devices. The vulnerability is caused by the lack of correct boundary checking in the Vision DSP kernel driver. Attackers can exploit this vulnerability to escalate privileges by hijacking loaded libraries

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CVE-2021-25467 (GCVE-0-2021-25467)

Vulnerability from cvelistv5 – Published: 2021-10-06 17:07 – Updated: 2024-08-03 20:03

Summary

Severity ?

5.3 (Medium)


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

CWE

CWE-120 - Buffer Copy without Checking Size of Input

Assigner

Samsung Mobile

References

URL

Tags

https://security.samsungmobile.com/securityUpdate…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Samsung Mobile	Samsung Mobile Devices	Affected: R(11.0) devices with Exynos 980, 9830, 2100 chipsets , < SMR Oct-2021 Release 1 (custom)

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JSON

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                          {
                            "version_affected": "\u003c",
                            "version_name": "R(11.0) devices with Exynos 980, 9830, 2100 chipsets",
                            "version_value": "SMR Oct-2021 Release 1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Samsung Mobile"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Assuming system privilege is gained, possible buffer overflow vulnerabilities in the Vision DSP kernel driver prior to SMR Oct-2021 Release 1 allows privilege escalation to Root by hijacking loaded library."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-120: Buffer Copy without Checking Size of Input"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10",
              "refsource": "MISC",
              "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458",
    "assignerShortName": "Samsung Mobile",
    "cveId": "CVE-2021-25467",
    "datePublished": "2021-10-06T17:07:34.000Z",
    "dateReserved": "2021-01-19T00:00:00.000Z",
    "dateUpdated": "2024-08-03T20:03:05.854Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-202110-0182

CVE-2021-25467 (GCVE-0-2021-25467)

Tags

Sightings

Nomenclature