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[email protected]CVE-2021-3404

HistoryMar 04, 2021 - 10:15 p.m.

CVE-2021-3404

2021-03-0422:15:14

CWE-787

CWE-119

[email protected]

web.nvd.nist.gov

ytnef

cve-2021-3404

denial-of-service

code execution

heap buffer overflow

remote attackers

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

7.5 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

45.5%

JSON

In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.

Affected configurations

NVD

Node

ytnef_projectytnefMatch1.9.3

Node

redhatenterprise_linuxMatch7.0

Node

fedoraprojectfedoraMatch33

CPENameOperatorVersion
ytnef_project:ytnefytnef project ytnefeq1.9.3

CPE	Name	Operator	Version
ytnef_project:ytnef	ytnef project ytnef	eq	1.9.3

CNA Affected

[
  {
    "product": "ytnef",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  }
]