9.8
CRITICAL
CVE-2024-39844
ZNC Unauthenticated Remote Code Execution via KICK in modtcl
Description

In ZNC before 1.9.1, remote code execution can occur in modtcl via a KICK.

INFO

Published Date :

July 3, 2024, 5:15 p.m.

Last Modified :

July 8, 2024, 2:18 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2024-39844 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2024-39844 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Znc znc
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-39844.

URL Resource
http://www.openwall.com/lists/oss-security/2024/07/03/9
https://github.com/znc/znc/releases/tag/znc-1.9.1
https://wiki.znc.in/Category:ChangeLog
https://wiki.znc.in/ChangeLog/1.9.1
https://www.openwall.com/lists/oss-security/2024/07/03/9

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

CVE-2024-39844 (ZNC < 1.9.1 modtcl RCE)

Python

Updated: 4 months, 2 weeks ago
1 stars 0 fork 0 watcher
Born at : July 3, 2024, 11:27 p.m. This repo has been linked 1 different CVEs too.

📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

security cve exploit poc vulnerability

Updated: 2 months, 2 weeks ago
6375 stars 1107 fork 1107 watcher
Born at : Dec. 8, 2019, 1:03 p.m. This repo has been linked 904 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-39844 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-39844 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 08, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-94
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE Modified by [email protected]

    Jul. 03, 2024

    Action Type Old Value New Value
    Added Reference MITRE http://www.openwall.com/lists/oss-security/2024/07/03/9 [No types assigned]
  • CVE Modified by [email protected]

    Jul. 03, 2024

    Action Type Old Value New Value
    Changed Description In ZNC before 1.9.1, remote code execution can occur in modtcl. In ZNC before 1.9.1, remote code execution can occur in modtcl via a KICK.
    Added Reference MITRE https://www.openwall.com/lists/oss-security/2024/07/03/9 [No types assigned]
  • CVE Received by [email protected]

    Jul. 03, 2024

    Action Type Old Value New Value
    Added Description In ZNC before 1.9.1, remote code execution can occur in modtcl.
    Added Reference MITRE https://wiki.znc.in/Category:ChangeLog [No types assigned]
    Added Reference MITRE https://github.com/znc/znc/releases/tag/znc-1.9.1 [No types assigned]
    Added Reference MITRE https://wiki.znc.in/ChangeLog/1.9.1 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-39844 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-39844 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability