Ghostscript 8.71 and earlier reads initialization files from the current working directory, which allows local users to execute arbitrary PostScript commands…

Ghostscript 8.71 and earlier reads initialization files from the current working directory, which allows local users to execute arbitrary PostScript commands via a Trojan horse file, related to improper support for the -P- option to the gs program, as demonstrated using gs_init.ps, a different vulnerability than CVE-2010-4820.