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gnu: libsndfile: Add fixes for CVE-2014-9496 and CVE-2015-7805.
* gnu/packages/patches/libsndfile-CVE-2014-9496.patch, gnu/packages/patches/libsndfile-CVE-2015-7805.patch: New files. * gnu-system.am (dist_patch_DATA): Add them. * gnu/packages/pulseaudio.scm (libsndfile)[source]: Add patches.
This commit is contained in:
Mark H Weaver
parent
b4a88dc25f
commit
3470fe002c
4 changed files with 156 additions and 1 deletions
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@ -557,6 +557,8 @@ dist_patch_DATA = \
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gnu/packages/patches/librsvg-tests.patch \
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gnu/packages/patches/libtheora-config-guess.patch \
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gnu/packages/patches/libtool-skip-tests2.patch \
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gnu/packages/patches/libsndfile-CVE-2014-9496.patch \
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gnu/packages/patches/libsndfile-CVE-2015-7805.patch \
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gnu/packages/patches/libssh-CVE-2014-0017.patch \
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gnu/packages/patches/libunwind-CVE-2015-3239.patch \
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gnu/packages/patches/libwmf-CAN-2004-0941.patch \
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55
gnu/packages/patches/libsndfile-CVE-2014-9496.patch
Normal file
55
gnu/packages/patches/libsndfile-CVE-2014-9496.patch
Normal file
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@ -0,0 +1,55 @@
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Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/libsndfile.git/plain/libsndfile-1.0.25-cve2014_9496.patch
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diff -up libsndfile-1.0.25/src/sd2.c.cve2014_9496 libsndfile-1.0.25/src/sd2.c
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--- libsndfile-1.0.25/src/sd2.c.cve2014_9496 2011-01-19 11:10:36.000000000 +0100
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+++ libsndfile-1.0.25/src/sd2.c 2015-01-13 17:00:35.920285526 +0100
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@@ -395,6 +395,21 @@ read_marker (const unsigned char * data,
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return 0x666 ;
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} /* read_marker */
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+static inline int
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+read_rsrc_marker (const SD2_RSRC *prsrc, int offset)
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+{ const unsigned char * data = prsrc->rsrc_data ;
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+
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+ if (offset < 0 || offset + 3 >= prsrc->rsrc_len)
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+ return 0 ;
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+
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+ if (CPU_IS_BIG_ENDIAN)
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+ return (((uint32_t) data [offset]) << 24) + (data [offset + 1] << 16) + (data [offset + 2] << 8) + data [offset + 3] ;
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+ if (CPU_IS_LITTLE_ENDIAN)
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+ return data [offset] + (data [offset + 1] << 8) + (data [offset + 2] << 16) + (((uint32_t) data [offset + 3]) << 24) ;
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+
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+ return 0 ;
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+} /* read_rsrc_marker */
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+
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static void
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read_str (const unsigned char * data, int offset, char * buffer, int buffer_len)
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{ int k ;
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@@ -496,6 +511,11 @@ sd2_parse_rsrc_fork (SF_PRIVATE *psf)
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rsrc.type_offset = rsrc.map_offset + 30 ;
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+ if (rsrc.map_offset + 28 > rsrc.rsrc_len)
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+ { psf_log_printf (psf, "Bad map offset.\n") ;
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+ goto parse_rsrc_fork_cleanup ;
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+ } ;
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+
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rsrc.type_count = read_short (rsrc.rsrc_data, rsrc.map_offset + 28) + 1 ;
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if (rsrc.type_count < 1)
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{ psf_log_printf (psf, "Bad type count.\n") ;
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@@ -512,7 +532,12 @@ sd2_parse_rsrc_fork (SF_PRIVATE *psf)
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rsrc.str_index = -1 ;
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for (k = 0 ; k < rsrc.type_count ; k ++)
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- { marker = read_marker (rsrc.rsrc_data, rsrc.type_offset + k * 8) ;
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+ { if (rsrc.type_offset + k * 8 > rsrc.rsrc_len)
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+ { psf_log_printf (psf, "Bad rsrc marker.\n") ;
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+ goto parse_rsrc_fork_cleanup ;
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+ } ;
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+
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+ marker = read_rsrc_marker (&rsrc, rsrc.type_offset + k * 8) ;
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if (marker == STR_MARKER)
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{ rsrc.str_index = k ;
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95
gnu/packages/patches/libsndfile-CVE-2015-7805.patch
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95
gnu/packages/patches/libsndfile-CVE-2015-7805.patch
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@ -0,0 +1,95 @@
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Slightly modified to apply cleanly to libsndfile-1.0.25.
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From d2a87385c1ca1d72918e9a2875d24f202a5093e8 Mon Sep 17 00:00:00 2001
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From: Erik de Castro Lopo <erikd@mega-nerd.com>
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Date: Sat, 7 Feb 2015 15:45:10 +1100
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Subject: [PATCH] src/common.c : Fix a header parsing bug.
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When the file header is bigger that SF_HEADER_LEN, the code would seek
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instead of reading causing file parse errors.
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The current header parsing and writing code *badly* needs a re-write.
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---
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src/common.c | 27 +++++++++++----------------
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1 file changed, 11 insertions(+), 16 deletions(-)
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diff --git a/src/common.c b/src/common.c
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index dd4edb7..c6b88cc 100644
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--- a/src/common.c
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+++ b/src/common.c
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@@ -1,5 +1,5 @@
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/*
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-** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
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+** Copyright (C) 1999-2015 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU Lesser General Public License as published by
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@@ -800,21 +800,16 @@ header_read (SF_PRIVATE *psf, void *ptr, int bytes)
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{ int count = 0 ;
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if (psf->headindex >= SIGNED_SIZEOF (psf->header))
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- { memset (ptr, 0, SIGNED_SIZEOF (psf->header) - psf->headindex) ;
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-
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- /* This is the best that we can do. */
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- psf_fseek (psf, bytes, SEEK_CUR) ;
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- return bytes ;
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- } ;
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+ return psf_fread (ptr, 1, bytes, psf) ;
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if (psf->headindex + bytes > SIGNED_SIZEOF (psf->header))
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{ int most ;
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most = SIGNED_SIZEOF (psf->header) - psf->headindex ;
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psf_fread (psf->header + psf->headend, 1, most, psf) ;
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- memset ((char *) ptr + most, 0, bytes - most) ;
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-
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- psf_fseek (psf, bytes - most, SEEK_CUR) ;
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+ memcpy (ptr, psf->header + psf->headend, most) ;
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+ psf->headend = psf->headindex += most ;
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+ psf_fread ((char *) ptr + most, bytes - most, 1, psf) ;
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return bytes ;
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} ;
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@@ -822,7 +817,7 @@ header_read (SF_PRIVATE *psf, void *ptr, int bytes)
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{ count = psf_fread (psf->header + psf->headend, 1, bytes - (psf->headend - psf->headindex), psf) ;
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if (count != bytes - (int) (psf->headend - psf->headindex))
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{ psf_log_printf (psf, "Error : psf_fread returned short count.\n") ;
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- return 0 ;
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+ return count ;
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} ;
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psf->headend += count ;
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} ;
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@@ -836,7 +831,6 @@ header_read (SF_PRIVATE *psf, void *ptr, int bytes)
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static void
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header_seek (SF_PRIVATE *psf, sf_count_t position, int whence)
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{
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-
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switch (whence)
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{ case SEEK_SET :
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if (position > SIGNED_SIZEOF (psf->header))
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@@ -885,8 +879,7 @@ header_seek (SF_PRIVATE *psf, sf_count_t position, int whence)
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static int
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header_gets (SF_PRIVATE *psf, char *ptr, int bufsize)
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-{
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- int k ;
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+{ int k ;
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for (k = 0 ; k < bufsize - 1 ; k++)
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{ if (psf->headindex < psf->headend)
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@@ -1073,8 +1066,10 @@ psf_binheader_readf (SF_PRIVATE *psf, char const *format, ...)
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case 'j' :
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/* Get the seek position first. */
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count = va_arg (argptr, size_t) ;
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- header_seek (psf, count, SEEK_CUR) ;
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- byte_count += count ;
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+ if (count)
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+ { header_seek (psf, count, SEEK_CUR) ;
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+ byte_count += count ;
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+ } ;
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break ;
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default :
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--
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2.6.3
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@ -50,7 +50,10 @@ (define libsndfile
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version ".tar.gz"))
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(sha256
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(base32
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"10j8mbb65xkyl0kfy0hpzpmrp0jkr12c7mfycqipxgka6ayns0ar"))))
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"10j8mbb65xkyl0kfy0hpzpmrp0jkr12c7mfycqipxgka6ayns0ar"))
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(patches
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(map search-patch '("libsndfile-CVE-2014-9496.patch"
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"libsndfile-CVE-2015-7805.patch")))))
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(build-system gnu-build-system)
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(inputs
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`(("libvorbis" ,libvorbis)
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