49 lines
1.7 KiB
Diff
49 lines
1.7 KiB
Diff
Fix CVE-2017-11590:
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https://bugzilla.gnome.org/show_bug.cgi?id=785479
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11590
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Patch copied from upstream source repository:
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https://git.gnome.org/browse/libgxps/commit/?id=9d5d292055250ed298f3b89dc332d6db4003a031
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From 9d5d292055250ed298f3b89dc332d6db4003a031 Mon Sep 17 00:00:00 2001
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From: Marek Kasik <mkasik@redhat.com>
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Date: Wed, 26 Jul 2017 16:23:37 +0200
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Subject: archive: Check for pathname being NULL before dereferencing
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Check whether "archive_entry_pathname ()" returns a non-NULL pathname
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before using it to avoid a NULL pointer being dereferenced.
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https://bugzilla.gnome.org/show_bug.cgi?id=785479
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---
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libgxps/gxps-archive.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/libgxps/gxps-archive.c b/libgxps/gxps-archive.c
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index acf8d7d..e763773 100644
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--- a/libgxps/gxps-archive.c
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+++ b/libgxps/gxps-archive.c
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@@ -257,6 +257,7 @@ gxps_archive_initable_init (GInitable *initable,
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GXPSArchive *archive;
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ZipArchive *zip;
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struct archive_entry *entry;
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+ const gchar *pathname;
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archive = GXPS_ARCHIVE (initable);
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@@ -281,7 +282,9 @@ gxps_archive_initable_init (GInitable *initable,
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while (gxps_zip_archive_iter_next (zip, &entry)) {
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/* FIXME: We can ignore directories here */
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- g_hash_table_add (archive->entries, g_strdup (archive_entry_pathname (entry)));
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+ pathname = archive_entry_pathname (entry);
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+ if (pathname != NULL)
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+ g_hash_table_add (archive->entries, g_strdup (pathname));
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archive_read_data_skip (zip->archive);
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}
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--
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cgit v0.12
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