Race Condition Flaw in N-able Take Control Agent Causing Arbitrary File Deletion
CVE-2023-27470

7HIGH

Key Information:

Vendor

N-able

Status
Take Control
Vendor
CVE Published:
11 September 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-27470?

The N-able Take Control Agent is vulnerable to a time-of-check to time-of-use (TOCTOU) race condition within the BASupSrvcUpdater.exe component. This vulnerability can be exploited through a pseudo-symlink located at %PROGRAMDATA%\GetSupportService_N-Central\PushUpdates, potentially leading to the deletion of arbitrary files. It affects versions up to 7.0.41.1141, with the issue resolved in version 7.0.43. Organizations using the affected versions are advised to update promptly to mitigate risks associated with this vulnerability.

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.

CVE-2023-27470_Exercise
Created by 3lp4tr0n

References

https://github.com/mandiant/Vulnerability-Disclosures/blo...

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.