9.0
CRITICAL
CVE-2024-55884
Mullvad VPN Heap-Based Out-of-Bounds Write Vulnerability
Description

In the Mullvad VPN client 2024.6 (Desktop), 2024.8 (iOS), and 2024.8-beta1 (Android), the exception-handling alternate stack can be exhausted, leading to heap-based out-of-bounds writes in enable() in exception_logging/unix.rs, aka MLLVD-CR-24-01. NOTE: achieving code execution is considered non-trivial.

INFO

Published Date :

Dec. 12, 2024, 2:08 a.m.

Last Modified :

Dec. 12, 2024, 5:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2024-55884 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.

No affected product recoded yet

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-2024-55884.

URL Resource
https://github.com/mullvad/mullvadvpn-app/commit/ef6c862071b26023802b00d6e1dc6ca53d1ab3e6
https://news.ycombinator.com/item?id=42390768
https://x41-dsec.de/news/2024/12/11/mullvad/

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).

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

The following list is the news that have been mention CVE-2024-55884 vulnerability anywhere in the article.

  • Cybersecurity News
Cloud Atlas Deploys VBCloud backdoor in Latest Cyber Espionage Campaign

The notorious cyber-espionage group Cloud Atlas, active since 2014, has been observed leveraging a new arsenal in its ongoing campaigns against Eastern Europe and Central Asia, according to a detailed ... Read more

Published Date: Dec 25, 2024 (3 weeks, 4 days ago)
  • Cybersecurity News
CVE-2024-55884 (CVSS 9.0): Critical Vulnerability Found in Mullvad VPN

X41 D-Sec GmbH, a leading cybersecurity firm, has completed a white-box penetration test of the Mullvad VPN application, revealing several vulnerabilities, including one rated as “critical” and two ra ... Read more

Published Date: Dec 16, 2024 (1 month ago)
  • Cybersecurity News
I-O DATA Routers Under Attack: Urgent Firmware Update Needed!

Multiple vulnerabilities have been discovered in I-O DATA routers UD-LT1 and UD-LT1/EX, and active exploitation is already underway. JPCERT/CC, a Japanese cybersecurity organization, issued a warning ... Read more

Published Date: Dec 04, 2024 (1 month, 2 weeks ago)

The following table lists the changes that have been made to the CVE-2024-55884 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

    Dec. 12, 2024

    Action Type Old Value New Value
    Added CWE CWE-787
  • New CVE Received by [email protected]

    Dec. 12, 2024

    Action Type Old Value New Value
    Added Description In the Mullvad VPN client 2024.6 (Desktop), 2024.8 (iOS), and 2024.8-beta1 (Android), the exception-handling alternate stack can be exhausted, leading to heap-based out-of-bounds writes in enable() in exception_logging/unix.rs, aka MLLVD-CR-24-01. NOTE: achieving code execution is considered non-trivial.
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
    Added Reference https://github.com/mullvad/mullvadvpn-app/commit/ef6c862071b26023802b00d6e1dc6ca53d1ab3e6
    Added Reference https://news.ycombinator.com/item?id=42390768
    Added Reference https://x41-dsec.de/news/2024/12/11/mullvad/
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-2024-55884 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-2024-55884 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
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Scope
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