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BitdefenderCVE-2022-2471

HistorySep 15, 2022 - 2:15 p.m.

CVE-2022-2471

2022-09-1514:15:09

CWE-121

Bitdefender

web.nvd.nist.gov

cve-2022-2471

stack-based buffer overflow

ezviz

motion detection

remote code execution

vulnerability

security advisory

CVSS3

9.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.004

Percentile

74.9%

JSON

Stack-based Buffer Overflow vulnerability in the EZVIZ Motion Detection component as used in camera models CS-CV248, CS-C6N-A0-1C2WFR, CS-DB1C-A0-1E2W2FR, CS-C6N-B0-1G2WF, CS-C3W-A0-3H4WFRL allows a remote attacker to execute remote code on the device. This issue affects: EZVIZ CS-CV248 versions prior to 5.2.3 build 220725. EZVIZ CS-C6N-A0-1C2WFR versions prior to 5.3.0 build 220428. EZVIZ CS-DB1C-A0-1E2W2FR versions prior to 5.3.0 build 220802. EZVIZ CS-C6N-B0-1G2WF versions prior to 5.3.0 build 220712. EZVIZ CS-C3W-A0-3H4WFRL versions prior to 5.3.5 build 220723.

Affected configurations

Nvd

Node

ezvizcs-c6n-a0-1c2wfr_firmwareMatch5.3.0build201719

AND

ezvizcs-c6n-a0-1c2wfrMatch-

Node

ezvizcs-db1c-a0-1e2w2fr_firmwareMatch5.3.0build211208

AND

ezvizcs-db1c-a0-1e2w2frMatch-

Node

ezvizcs-c6n-b0-1g2wf_firmwareMatch5.3.0build210731

AND

ezvizcs-c6n-b0-1g2wfMatch-

Node

ezvizcs-c3w-a0-3h4wfrl_firmwareMatch5.3.5build220120

AND

ezvizcs-c3w-a0-3h4wfrlMatch-

Node

ezvizcs-cv248_firmwareMatch5.2.1build180403

AND

ezvizcs-cv248Match-

VendorProductVersionCPE
ezvizcs-c6n-a0-1c2wfr_firmware5.3.0cpe:2.3:o:ezviz:cs-c6n-a0-1c2wfr_firmware:5.3.0:build201719:*:*:*:*:*:*
ezvizcs-c6n-a0-1c2wfr-cpe:2.3:h:ezviz:cs-c6n-a0-1c2wfr:-:*:*:*:*:*:*:*
ezvizcs-db1c-a0-1e2w2fr_firmware5.3.0cpe:2.3:o:ezviz:cs-db1c-a0-1e2w2fr_firmware:5.3.0:build211208:*:*:*:*:*:*
ezvizcs-db1c-a0-1e2w2fr-cpe:2.3:h:ezviz:cs-db1c-a0-1e2w2fr:-:*:*:*:*:*:*:*
ezvizcs-c6n-b0-1g2wf_firmware5.3.0cpe:2.3:o:ezviz:cs-c6n-b0-1g2wf_firmware:5.3.0:build210731:*:*:*:*:*:*
ezvizcs-c6n-b0-1g2wf-cpe:2.3:h:ezviz:cs-c6n-b0-1g2wf:-:*:*:*:*:*:*:*
ezvizcs-c3w-a0-3h4wfrl_firmware5.3.5cpe:2.3:o:ezviz:cs-c3w-a0-3h4wfrl_firmware:5.3.5:build220120:*:*:*:*:*:*
ezvizcs-c3w-a0-3h4wfrl-cpe:2.3:h:ezviz:cs-c3w-a0-3h4wfrl:-:*:*:*:*:*:*:*
ezvizcs-cv248_firmware5.2.1cpe:2.3:o:ezviz:cs-cv248_firmware:5.2.1:build180403:*:*:*:*:*:*
ezvizcs-cv248-cpe:2.3:h:ezviz:cs-cv248:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ezviz	cs-c6n-a0-1c2wfr_firmware	5.3.0	cpe:2.3:o:ezviz:cs-c6n-a0-1c2wfr_firmware:5.3.0:build201719::::::
ezviz	cs-c6n-a0-1c2wfr	-	cpe:2.3:h:ezviz:cs-c6n-a0-1c2wfr:-:::::::*
ezviz	cs-db1c-a0-1e2w2fr_firmware	5.3.0	cpe:2.3:o:ezviz:cs-db1c-a0-1e2w2fr_firmware:5.3.0:build211208::::::
ezviz	cs-db1c-a0-1e2w2fr	-	cpe:2.3:h:ezviz:cs-db1c-a0-1e2w2fr:-:::::::*
ezviz	cs-c6n-b0-1g2wf_firmware	5.3.0	cpe:2.3:o:ezviz:cs-c6n-b0-1g2wf_firmware:5.3.0:build210731::::::
ezviz	cs-c6n-b0-1g2wf	-	cpe:2.3:h:ezviz:cs-c6n-b0-1g2wf:-:::::::*
ezviz	cs-c3w-a0-3h4wfrl_firmware	5.3.5	cpe:2.3:o:ezviz:cs-c3w-a0-3h4wfrl_firmware:5.3.5:build220120::::::
ezviz	cs-c3w-a0-3h4wfrl	-	cpe:2.3:h:ezviz:cs-c3w-a0-3h4wfrl:-:::::::*
ezviz	cs-cv248_firmware	5.2.1	cpe:2.3:o:ezviz:cs-cv248_firmware:5.2.1:build180403::::::
ezviz	cs-cv248	-	cpe:2.3:h:ezviz:cs-cv248:-:::::::*

CNA Affected

[
  {
    "product": "CS-CV248",
    "vendor": "EZVIZ",
    "versions": [
      {
        "lessThan": "5.2.3 build 220725",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CS-C6N-A0-1C2WFR",
    "vendor": "EZVIZ",
    "versions": [
      {
        "lessThan": "5.3.0 build 220428",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CS-DB1C-A0-1E2W2FR",
    "vendor": "EZVIZ",
    "versions": [
      {
        "lessThan": "5.3.0 build 220802",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CS-C6N-B0-1G2WF",
    "vendor": "EZVIZ",
    "versions": [
      {
        "lessThan": "5.3.0 build 220712",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CS-C3W-A0-3H4WFRL",
    "vendor": "EZVIZ",
    "versions": [
      {
        "lessThan": "5.3.5 build 220723",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.bitdefender.com/blog/labs/vulnerabilities-identified-in-ezviz-smart-cams

Social References

CVSS3

9.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.004

Percentile

74.9%

JSON

Related for CVE-2022-2471