github - ghsa-2894-2ggj-v24h

ghsa-2894-2ggj-v24h

Vulnerability from github

Published

2022-05-24 19:06

Modified

2022-05-24 19:06

Severity ?

8.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

A privilege escalation vulnerability exists in the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O write requests. During IOCTL 0x9c40a0d8, the first dword passed in the input buffer is the device port to write to and the byte at offset 4 is the value to write via the OUT instruction. The OUT instruction can write one byte to the given I/O device port, potentially leading to escalated privileges of unprivileged users.

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  "affected": [],
  "aliases": [
    "CVE-2021-21787"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-07-07T17:15:00Z",
    "severity": "HIGH"
  },
  "details": "A privilege escalation vulnerability exists in the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O write requests. During IOCTL 0x9c40a0d8, the first dword passed in the input buffer is the device port to write to and the byte at offset 4 is the value to write via the OUT instruction. The OUT instruction can write one byte to the given I/O device port, potentially leading to escalated privileges of unprivileged users.",
  "id": "GHSA-2894-2ggj-v24h",
  "modified": "2022-05-24T19:06:58Z",
  "published": "2022-05-24T19:06:58Z",
  "references": [
    {
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    },
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    }
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  "severity": [
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      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-21787 (GCVE-0-2021-21787)

Vulnerability from cvelistv5

Published

2021-07-07 16:39

Modified

2024-08-03 18:23

Severity ?

8.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-782 - Exposed IOCTL with Insufficient Access Control

Summary

A privilege escalation vulnerability exists in the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O write requests. During IOCTL 0x9c40a0d8, the first dword passed in the input buffer is the device port to write to and the byte at offset 4 is the value to write via the OUT instruction. The OUT instruction can write one byte to the given I/O device port, potentially leading to escalated privileges of unprivileged users.

References

►

URL

Tags

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1254

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Iobit	Version: IOBit Advanced SystemCare Ultimate 14.2.0.220

Show details on NVD website

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