#VU9798 Buffer over-read in ImageMagick - CVE-2017-13769

Vulnerability identifier: #VU9798

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-13769

CWE-ID: CWE-126

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 cause DoS condition on the target system.

The weakness exists due to buffer over-read in the WriteTHUMBNAILImage function in coders/thumbnail.c. A remote attacker can trick the victim into opening a specially crafted JPEG file, trigger memory corruption and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.6-0 - 7.0.6-10

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External links
https://github.com/ImageMagick/ImageMagick/issues/705

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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.