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gnu: flac: Fix CVE-2017-6888. 

* gnu/packages/xiph.scm (flac)[replacement]: New field.
(flac/fixed): New variable.
* gnu/packages/patches/flac-CVE-2017-6888.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
This commit is contained in:
Efraim Flashner 2019-04-04 22:15:04 +03:00
parent 6e5ecbfbae
commit 2beca2a55c
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GPG Key ID: 41AAE7DCCA3D8351
3 changed files with 40 additions and 1 deletions
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1
gnu/local.mk
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@ -777,6 +777,7 @@ dist_patch_DATA = \
%D%/packages/patches/findutils-localstatedir.patch \
%D%/packages/patches/findutils-makedev.patch \
%D%/packages/patches/findutils-test-xargs.patch \
%D%/packages/patches/flac-CVE-2017-6888.patch \
%D%/packages/patches/flann-cmake-3.11.patch \
%D%/packages/patches/flint-ldconfig.patch \
%D%/packages/patches/foomatic-filters-CVE-2015-8327.patch \

29
gnu/packages/patches/flac-CVE-2017-6888.patch Normal file
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@ -0,0 +1,29 @@
https://git.xiph.org/?p=flac.git;a=patch;h=4f47b63e9c971e6391590caf00a0f2a5ed612e67
From 4f47b63e9c971e6391590caf00a0f2a5ed612e67 Mon Sep 17 00:00:00 2001
From: Erik de Castro Lopo <erikd@mega-nerd.com>
Date: Sat, 8 Apr 2017 18:34:49 +1000
Subject: [PATCH] stream_decoder.c: Fix a memory leak
Leak reported by Secunia Research.
---
src/libFLAC/stream_decoder.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/libFLAC/stream_decoder.c b/src/libFLAC/stream_decoder.c
index 14d5fe7f..a5527511 100644
--- a/src/libFLAC/stream_decoder.c
+++ b/src/libFLAC/stream_decoder.c
@@ -1753,6 +1753,9 @@ FLAC__bool read_metadata_vorbiscomment_(FLAC__StreamDecoder *decoder, FLAC__Stre
}
memset (obj->comments[i].entry, 0, obj->comments[i].length) ;
if (!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->comments[i].entry, obj->comments[i].length)) {
+ /* Current i-th entry is bad, so we delete it. */
+ free (obj->comments[i].entry) ;
+ obj->comments[i].entry = NULL ;
obj->num_comments = i;
goto skip;
}
--
2.11.0

11
gnu/packages/xiph.scm
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@ -5,7 +5,7 @@
;;; Copyright © 2014 Sree Harsha Totakura <sreeharsha@totakura.in>
;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015 Paul van der Walt <paul@denknerd.org>
;;; Copyright © 2015, 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2015, 2016, 2017, 2019 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2017, 2018 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Leo Famulari <leo@famulari.name>
@ -235,6 +235,7 @@ It currently supports:
(define flac
(package
(name "flac")
(replacement flac/fixed)
(version "1.3.2")
(source (origin
(method url-fetch)
@ -256,6 +257,14 @@ meaning that audio is compressed in FLAC without any loss in quality.")
"See COPYING in the distribution.")) ; and LGPL and GPL
(home-page "https://xiph.org/flac/")))
(define flac/fixed
(package
(inherit flac)
(source
(origin
(inherit (package-source flac))
(patches (search-patches "flac-CVE-2017-6888.patch"))))))
(define libkate
(package
(name "libkate")