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7756de368d
It was discovered that the ghostscript /invalidaccess checks fail under certain conditions. An attacker could possibly exploit this to bypass the -dSAFER protection and, for example, execute arbitrary shell commands via a specially crafted PostScript document. Reference: https://www.openwall.com/lists/oss-security/2019/01/23/5 Upstream patches: http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=13b0a36f8181db66a91bcc8cea139998b53a8996 http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=2db98f9c66135601efb103d8db7d020a672308db http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=99f13091a3f309bdc95d275ea9fec10bb9f42d9a http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=59d8f4deef90c1598ff50616519d5576756b4495 http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=2768d1a6dddb83f5c061207a7ed2813999c1b5c9 http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=49c8092da88ef6bb0aa281fe294ae0925a44b5b9 http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=2ff600a3c4fc169e7c6c1e83874a6bf63a6fb42b (From OE-Core rev: af397d31e467d6af00ef835537221bc211d94ca6) Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> Signed-off-by: Armin Kuster <akuster808@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>