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* gnu/packages/patches/libzip-CVE-2017-12858.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/compression.scm (libzip)[source]: Use it.
45 lines
1.3 KiB
Diff
45 lines
1.3 KiB
Diff
Fix CVE-2017-12858:
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12858
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Patch copied from upstream source repository:
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https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796
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From 2217022b7d1142738656d891e00b3d2d9179b796 Mon Sep 17 00:00:00 2001
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From: Thomas Klausner <tk@giga.or.at>
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Date: Mon, 14 Aug 2017 10:55:44 +0200
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Subject: [PATCH] Fix double free().
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Found by Brian 'geeknik' Carpenter using AFL.
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---
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THANKS | 1 +
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lib/zip_dirent.c | 3 ---
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2 files changed, 1 insertion(+), 3 deletions(-)
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diff --git a/THANKS b/THANKS
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index be0cca9..a80ee1d 100644
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--- a/THANKS
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+++ b/THANKS
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@@ -12,6 +12,7 @@ BALATON Zoltan <balaton@eik.bme.hu>
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Benjamin Gilbert <bgilbert@backtick.net>
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Boaz Stolk <bstolk@aweta.nl>
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Bogdan <bogiebog@gmail.com>
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+Brian 'geeknik' Carpenter <geeknik@protonmail.ch>
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Chris Nehren <cnehren+libzip@pobox.com>
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Coverity <info@coverity.com>
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Dane Springmeyer <dane.springmeyer@gmail.com>
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diff --git a/lib/zip_dirent.c b/lib/zip_dirent.c
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index a369900..e5a7cc9 100644
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--- a/lib/zip_dirent.c
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+++ b/lib/zip_dirent.c
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@@ -579,9 +579,6 @@ _zip_dirent_read(zip_dirent_t *zde, zip_source_t *src, zip_buffer_t *buffer, boo
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}
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if (!_zip_dirent_process_winzip_aes(zde, error)) {
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- if (!from_buffer) {
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- _zip_buffer_free(buffer);
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- }
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return -1;
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}
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