Out-of-bounds read in ImageMagick

1) Out-of-bounds read

EUVDB-ID: #VU32205

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-5687

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The VerticalFilter function in the DDS coder in ImageMagick before 6.9.4-3 and 7.x before 7.0.1-4 allows remote attackers to have unspecified impact via a crafted DDS file, which triggers an out-of-bounds read.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ImageMagick: 6.9.0-0 - 7.0.1-3

External links

http://www.openwall.com/lists/oss-security/2016/06/14/5
http://www.openwall.com/lists/oss-security/2016/06/17/3
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
http://www.securityfocus.com/bid/91283
http://blog.fuzzing-project.org/46-Various-invalid-memory-reads-in-ImageMagick-WPG,-DDS,-DCM.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.