Vulnerability CVE-2021-3962


Published: 2021-11-19

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.

Type:

CWE-416

(Use After Free)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Imagemagick -> Imagemagick 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=2023196
https://github.com/ImageMagick/ImageMagick/issues/4446
https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e

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