Use-After-Free Vulnerability in lib3mf Affects 3MF Consortium Products
CVE-2021-21772

8.1HIGH

Key Information:

Vendor
3mf
Status
3mf
Vendor
CVE Published:
10 March 2021

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A use-after-free vulnerability found in the NMR::COpcPackageReader::releaseZIP() functionality of lib3mf could allow an attacker to exploit this issue through specially crafted 3MF files. By providing a malicious file, an attacker can trigger this vulnerability, potentially leading to unauthorized code execution. The risk associated with this flaw emphasizes the importance of applying necessary security patches and maintaining cybersecurity hygiene.

Affected Version(s)

3MF 3MF Consortium lib3mf 2.0.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

New-lib3mf.dll-for-MeshMixer
Created by 3dluvr

References

https://talosintelligence.com/vulnerability_reports/TALOS...
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.