#VU24030 Out-of-bounds read in ImageMagick


Published: 2020-01-07

Vulnerability identifier: #VU24030

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-19949

CWE-ID: CWE-125

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 (DoS) attack.

The vulnerability exists due missing length check prior pointer dereference in the "WritePNGImage" function of coders/png.c, related to Magick_png_write_raw_profile and LocaleNCompare. A remote attacker can cause a denial of service condition on the target system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.8-43 Q16


External links
http://github.com/ImageMagick/ImageMagick/issues/1561
http://lists.debian.org/debian-lts-announce/2019/12/msg00033.html


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. However, proof of concept for this vulnerability is available.


Latest bulletins with this vulnerability