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NLOKCVE-2023-1587

HistoryApr 19, 2023 - 7:15 p.m.

CVE-2023-1587

2023-04-1919:15:07

CWE-476

NLOK

web.nvd.nist.gov

avast

avg

antivirus

windows

null pointer dereference

rpc-interface

cve-2023-1587

CVSS3

5.8

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

AI Score

5.5

Confidence

High

EPSS

Percentile

9.0%

JSON

Avast and AVG Antivirus for Windows were susceptible to a NULL pointer dereference issue via RPC-interface. The issue was fixed with Avast and AVG Antivirus version 22.11

Affected configurations

Nvd

Node

avastantivirusRange22.5–22.11

avganti-virusRange22.5–22.11

AND

microsoftwindowsMatch-

VendorProductVersionCPE
avastantivirus*cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*
avganti-virus*cpe:2.3:a:avg:anti-virus:*:*:*:*:*:*:*:*
microsoftwindows-cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
avast	antivirus	*	cpe:2.3:a:avast:antivirus::::::::
avg	anti-virus	*	cpe:2.3:a:avg:anti-virus::::::::
microsoft	windows	-	cpe:2.3:o:microsoft:windows:-:::::::*

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"
      }
    ]
  }
]

References

support.norton.com/sp/static/external/tools/security-advisories.html

CVSS3

5.8

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

AI Score

5.5

Confidence

High

EPSS

Percentile

9.0%

JSON

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