Vulnerability identifier: #VU6838

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-9142

CWE-ID: CWE-617

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ImageMagick
Client/Desktop applications / Multimedia software

Vendor: ImageMagick.org

Description

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

The vulnerability exist due to missing checks in the ReadOneJNGImage function in coders/png.c within the WriteBlob function in MagickCore/blob. in ImageMagick 7.0.5-7 Q16. A remote attacker can create a specially crafted file and trigger assertion failure.

Successful exploitation of the vulnerability may allow an attacker to perform a denial of service (DoS) attack.

Mitigation
Update to version 7.0.5-8.

Vulnerable software versions

ImageMagick: 7.0.5-7

---

External links
http://github.com/ImageMagick/ImageMagick/issues/490

---

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.