The OpenBlob function in blob.c in GraphicsMagick before 1.3.24 and ImageMagick allows remote attackers to execute arbitrary code via a | (pipe) character at the start of a filename.
http://git.imagemagick.org/repos/ImageMagick/commit/40639d173aa8c76b850d625c630b711fee4dcfb8
http://hg.code.sf.net/p/graphicsmagick/code/file/41876934e762/ChangeLog
http://hg.code.sf.net/p/graphicsmagick/code/rev/ae3928faa858
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00047.html
http://www.debian.org/security/2016/dsa-3591
http://www.debian.org/security/2016/dsa-3746
http://www.openwall.com/lists/oss-security/2016/05/29/7
http://www.openwall.com/lists/oss-security/2016/05/30/1
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/90938
http://www.securitytracker.com/id/1035984
http://www.securitytracker.com/id/1035985
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.397749
Source: MITRE
Published: 2016-06-10
Updated: 2019-12-27
Type: CWE-284
Base Score: 10
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL