#VU39792 Heap-based buffer overflow in ImageMagick - CVE-2016-9298

Vulnerability identifier: #VU39792

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-2016-9298

CWE-ID: CWE-122

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ImageMagick
Client/Desktop applications / Multimedia software

Vendor: ImageMagick.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap overflow in the WaveletDenoiseImage function in MagickCore/fx.c in ImageMagick before 6.9.6-4 and 7.x before 7.0.3-6. A remote attacker can use a crafted image. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.1-0 - 7.0.1-10, 7.0.2-0 - 7.0.2-10, 7.0.3-0 - 7.0.3-5

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External links
https://www.openwall.com/lists/oss-security/2016/11/13/1
https://www.openwall.com/lists/oss-security/2016/11/14/10
https://www.securityfocus.com/bid/94310
https://github.com/ImageMagick/ImageMagick/commit/3cbfb163cff9e5b8cdeace8312e9bfee810ed02b
https://github.com/ImageMagick/ImageMagick/issues/296
https://security.gentoo.org/glsa/201702-09

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.