Vulnerability Report

CVE-2021-3404

RCE

Title: Ytnef Project Ytnef RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2021-3404.

CWE Category CWE-787

Published Date Mar 04, 2021

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 7.8 CVSS v3.1

Exploit Probability (EPSS)

2.36%

Vulnerability Summary

CVE-2021-3404: 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.

Impacted Vendors

ytnef_project 1

Reference Links

https://bugzilla.redhat.com/show_bug.cgi?id=1926965 https://github.com/Yeraze/ytnef/issues/86 https://bugzilla.redhat.com/show_bug.cgi?id=1926965 https://github.com/Yeraze/ytnef/issues/86

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.8

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-3404 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

March 04, 2021 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


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

Affected Stack

No specific products linked.