NULL pointer dereference in ImageMagick

1) NULL pointer dereference

EUVDB-ID: #VU62859

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3596

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in ReadSVGImage() function in coders/svg.c. A remote attacker can pass specially crafted data to the application and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.0-0 - 7.0.10-30

External links

http://github.com/ImageMagick/ImageMagick/issues/2624
http://bugzilla.redhat.com/show_bug.cgi?id=1970569

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.