Fix CVE-2017-17787: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17787 https://bugzilla.gnome.org/show_bug.cgi?id=790853 Patch copied from upstream source repository: https://git.gnome.org/browse/gimp/commit/?id=87ba505fff85989af795f4ab6a047713f4d9381d From 87ba505fff85989af795f4ab6a047713f4d9381d Mon Sep 17 00:00:00 2001 From: Jehan Date: Thu, 21 Dec 2017 12:49:41 +0100 Subject: [PATCH] Bug 790853 - (CVE-2017-17787) heap overread in psp importer. As any external data, we have to check that strings being read at fixed length are properly nul-terminated. (cherry picked from commit eb2980683e6472aff35a3117587c4f814515c74d) --- plug-ins/common/file-psp.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/plug-ins/common/file-psp.c b/plug-ins/common/file-psp.c index 4cbafe37b1..e350e4d88d 100644 --- a/plug-ins/common/file-psp.c +++ b/plug-ins/common/file-psp.c @@ -890,6 +890,12 @@ read_creator_block (FILE *f, g_free (string); return -1; } + if (string[length - 1] != '\0') + { + g_message ("Creator keyword data not nul-terminated"); + g_free (string); + return -1; + } switch (keyword) { case PSP_CRTR_FLD_TITLE: -- 2.15.1