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cve[email protected]CVE-2023-1586
HistoryApr 19, 2023 - 7:15 p.m.

CVE-2023-1586

2023-04-1919:15:06
CWE-367
web.nvd.nist.gov
23
avast
avg
antivirus
toctou
vulnerability
v22.11
nvd

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

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

4.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.2%

Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the restore process leading to arbitrary file creation. The issue was fixed with Avast and AVG Antivirus version 22.11

Affected configurations

NVD
Node
avastantivirusRange22.522.11
OR
avganti-virusRange22.522.11
AND
microsoftwindowsMatch-

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "Windows"
    ],
    "product": "Avast Antivirus",
    "vendor": "Avast",
    "versions": [
      {
        "lessThanOrEqual": "22.10",
        "status": "affected",
        "version": "22.5",
        "versionType": "22.11"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "Windows"
    ],
    "product": "AVG Antivirus",
    "vendor": "AVG",
    "versions": [
      {
        "lessThanOrEqual": "22.10",
        "status": "affected",
        "version": "22.5",
        "versionType": "22.11"
      }
    ]
  }
]

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

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

4.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.2%

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