SB2017021715 - Heap-based buffer overflow in ImageMagick

Description

This security bulletin contains information about 1 vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2016-9773)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: 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

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

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the IsPixelGray function in MagickCore/pixel-accessor.h in ImageMagick 7.0.3.8. A remote attacker can use a crafted image file. NOTE 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.

Remediation

Install update from vendor's website.

References

• http://www.openwall.com/lists/oss-security/2016/12/01/4
• http://www.openwall.com/lists/oss-security/2016/12/02/11
• http://www.openwall.com/lists/oss-security/2016/12/02/12
• https://blogs.gentoo.org/ago/2016/12/01/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h-incomplete-fix-for-cve-2016-9556/