CVE-2022-33896

2022-10-0715:15:15

CWE-124

[email protected]

web.nvd.nist.gov

cve-2022-33896

buffer underflow

hancom office

code execution

xml

vulnerability

nvd

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

36.5%

JSON

A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.

Affected configurations

Vulners

NVD

Node

hancomhancom_office_2020Range≤Hancom Office 2020 11.0.0.5357

VendorProductVersionCPE
hancomhancom_office_2020*cpe:2.3:a:hancom:hancom_office_2020:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
hancom	hancom_office_2020	*	cpe:2.3:a:hancom:hancom_office_2020::::::::

CNA Affected

[
  {
    "vendor": "Hancom",
    "product": "Hancom Office 2020",
    "versions": [
      {
        "version": "Hancom Office 2020 11.0.0.5357",
        "status": "affected"
      }
    ]
  }
]