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gnu: libzip: Fix CVE-2017-12858.

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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.
This commit is contained in:
Leo Famulari 2017-08-27 19:39:21 -04:00
parent 152fc9594e
commit 9baa969758
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GPG Key ID: 2646FA30BACA7F08
3 changed files with 47 additions and 0 deletions
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1
gnu/local.mk
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@ -807,6 +807,7 @@ dist_patch_DATA = \
%D%/packages/patches/libxslt-generated-ids.patch \
%D%/packages/patches/libxslt-CVE-2016-4738.patch \
%D%/packages/patches/libxt-guix-search-paths.patch \
%D%/packages/patches/libzip-CVE-2017-12858.patch \
%D%/packages/patches/lierolibre-check-unaligned-access.patch \
%D%/packages/patches/lierolibre-is-free-software.patch \
%D%/packages/patches/lierolibre-newer-libconfig.patch \

1
gnu/packages/compression.scm
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@ -1525,6 +1525,7 @@ manipulate, read, and write Zip archive files.")
(method url-fetch)
(uri (string-append
"https://nih.at/libzip/libzip-" version ".tar.gz"))
(patches (search-patches "libzip-CVE-2017-12858.patch"))
(sha256
(base32
"17vxj2ffsxwh8lkc6801ppmwj15jp8q58rin76znxfbx88789ybc"))))

45
gnu/packages/patches/libzip-CVE-2017-12858.patch Normal file
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@ -0,0 +1,45 @@
Fix CVE-2017-12858:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12858
Patch copied from upstream source repository:
https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796
From 2217022b7d1142738656d891e00b3d2d9179b796 Mon Sep 17 00:00:00 2001
From: Thomas Klausner <tk@giga.or.at>
Date: Mon, 14 Aug 2017 10:55:44 +0200
Subject: [PATCH] Fix double free().
Found by Brian 'geeknik' Carpenter using AFL.
---
THANKS | 1 +
lib/zip_dirent.c | 3 ---
2 files changed, 1 insertion(+), 3 deletions(-)
diff --git a/THANKS b/THANKS
index be0cca9..a80ee1d 100644
--- a/THANKS
+++ b/THANKS
@@ -12,6 +12,7 @@ BALATON Zoltan <balaton@eik.bme.hu>
Benjamin Gilbert <bgilbert@backtick.net>
Boaz Stolk <bstolk@aweta.nl>
Bogdan <bogiebog@gmail.com>
+Brian 'geeknik' Carpenter <geeknik@protonmail.ch>
Chris Nehren <cnehren+libzip@pobox.com>
Coverity <info@coverity.com>
Dane Springmeyer <dane.springmeyer@gmail.com>
diff --git a/lib/zip_dirent.c b/lib/zip_dirent.c
index a369900..e5a7cc9 100644
--- a/lib/zip_dirent.c
+++ b/lib/zip_dirent.c
@@ -579,9 +579,6 @@ _zip_dirent_read(zip_dirent_t *zde, zip_source_t *src, zip_buffer_t *buffer, boo
}
if (!_zip_dirent_process_winzip_aes(zde, error)) {
- if (!from_buffer) {
- _zip_buffer_free(buffer);
- }
return -1;
}