Out-of-bounds read in ImageMagick

1) Out-of-bounds read

EUVDB-ID: #VU32211

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-5842

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

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

MagickCore/property.c in ImageMagick before 7.0.2-1 allows remote attackers to obtain sensitive memory information via vectors involving the q variable, which triggers an out-of-bounds read.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.0-0 - 7.0.2-0

CPE2.3

• cpe:2.3:a:imagemagick_org:imagemagick:7.0.0-0:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-0:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-1:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-2:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-3:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-4:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-5:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-6:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-7:*:*:*:*:*:*:*
• cpe:2.3:a:imagemagick_org:imagemagick:7.0.1-8:*:*:*:*:*:*:*

External links

https://www.openwall.com/lists/oss-security/2016/06/23/1
https://www.openwall.com/lists/oss-security/2016/06/25/3
https://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
https://www.securityfocus.com/bid/91394
https://github.com/ImageMagick/ImageMagick/commit/d8ab7f046587f2e9f734b687ba7e6e10147c294b
https://github.com/ImageMagick/ImageMagick/commits/7.0.2-1
https://security.gentoo.org/glsa/201611-21

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.