Integer Overflow in WolfSSH SFTP Functionality
CVE-2022-32073

9.8CRITICAL

Key Information:

Vendor

Wolfssh

Status
Wolfssh
Vendor
CVE Published:
13 July 2022

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-32073?

An integer overflow was identified in version 1.4.7 of WolfSSH, specifically in the wolfSSH_SFTP_RecvRMDIR function. This could potentially lead to unexpected behavior, allowing for the possibility of security breaches during SFTP operations. Proper validation and checks should be implemented to mitigate the risks associated with this vulnerability.

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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.

project_BIT_nmap_script
Created by mgregus

References

https://github.com/wolfSSL/wolfssh/pull/360
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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