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STAR_LabsCVE-2023-1720

HistoryNov 01, 2023 - 10:15 a.m.

CVE-2023-1720

2023-11-0110:15:09

CWE-434

STAR_Labs

web.nvd.nist.gov

cve-2023-1720

bitrix24

mime type

remote code execution

browser security

php code

file upload vulnerability

CVSS3

9.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

38.4%

JSON

Lack of mime type response header in Bitrix24 22.0.300 allows authenticated remote attackers to execute arbitrary JavaScript code in the victim’s browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via uploading a crafted HTML file through /desktop_app/file.ajax.php?action=uploadfile.

Affected configurations

Nvd

Node

bitrix24bitrix24Match22.0.300

VendorProductVersionCPE
bitrix24bitrix2422.0.300cpe:2.3:a:bitrix24:bitrix24:22.0.300:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
bitrix24	bitrix24	22.0.300	cpe:2.3:a:bitrix24:bitrix24:22.0.300:::::::*

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Bitrix24",
    "programFiles": [
      "file:desktop_app/file.ajax.php"
    ],
    "vendor": "Bitrix24",
    "versions": [
      {
        "lessThanOrEqual": "22.0.300",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

References

starlabs.sg/advisories/23/23-1720/

CVSS3

9.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

38.4%

JSON

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