#VU34837 Out-of-bounds read in ImageMagick - CVE-2016-7523

Vulnerability identifier: #VU34837

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-7523

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 non-authenticated attacker to perform a denial of service (DoS) attack.

coders/meta.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: All versions

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External links
https://www.openwall.com/lists/oss-security/2016/09/22/2
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1537420
https://bugzilla.redhat.com/show_bug.cgi?id=1378754
https://github.com/ImageMagick/ImageMagick/issues/94

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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.