From 60b77b8bf8b6e4d30519c47724631012b530cf0e Mon Sep 17 00:00:00 2001 From: Chris Liddell Date: Sat, 15 Dec 2018 09:08:32 +0000 Subject: [PATCH 3/7] Bug700317: Fix logic for an older change Unlike almost every other function in gs, dict_find_string() returns 1 on success 0 or <0 on failure. The logic for this case was wrong. CVE: CVE-2019-6116 Upstream-Status: Backport [git://git.ghostscript.com/ghostpdl.git] Signed-off-by: Ovidiu Panait --- psi/interp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/psi/interp.c b/psi/interp.c index aa5779c..f6c45bb 100644 --- a/psi/interp.c +++ b/psi/interp.c @@ -703,7 +703,7 @@ again: * i.e. it's an internal operator we have hidden */ code = dict_find_string(systemdict, (const char *)bufptr, &tobj); - if (code < 0) { + if (code <= 0) { buf[0] = buf[1] = buf[rlen + 2] = buf[rlen + 3] = '-'; rlen += 4; bufptr = buf; -- 2.18.1