7.8
HIGH
CVE-2021-3962
ImageMagick Use-After-Free Vulnerability
Description

A flaw was found in ImageMagick where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

INFO

Published Date :

Nov. 19, 2021, 5:15 p.m.

Last Modified :

Nov. 28, 2021, 11:31 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-3962 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 Imagemagick imagemagick
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-2021-3962.

URL Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2023196 Issue Tracking Patch Third Party Advisory
https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e Patch Third Party Advisory
https://github.com/ImageMagick/ImageMagick/issues/4446 Third Party Advisory

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-2021-3962 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3962 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 [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 28, 2021

    Action Type Old Value New Value
    Changed Reference Type https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e No Types Assigned https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e Patch, Third Party Advisory
    Changed Reference Type https://github.com/ImageMagick/ImageMagick/issues/4446 No Types Assigned https://github.com/ImageMagick/ImageMagick/issues/4446 Third Party Advisory
  • CVE Modified by [email protected]

    Nov. 23, 2021

    Action Type Old Value New Value
    Changed Description A flaw was found in ImageMagick 7.1.0-14 where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. A flaw was found in ImageMagick where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
    Added Reference https://github.com/ImageMagick/ImageMagick/issues/4446 [No Types Assigned]
    Added Reference https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 23, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2023196 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2023196 Issue Tracking, Patch, Third Party Advisory
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:a:imagemagick:imagemagick:7.1.0-14:*:*:*:*:*:*:*
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-2021-3962 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-2021-3962 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.09 }} 0.01%

score

0.38316

percentile

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