taglib: fix CVE-2017-12678 CVE-2018-11439

This commit is contained in:
maxice8 2018-10-02 09:32:06 -03:00 committed by maxice8
parent 6783314672
commit c9cd8c875e
3 changed files with 94 additions and 2 deletions

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@ -0,0 +1,40 @@
From eb9ded1206f18f2c319157337edea2533a40bea6 Mon Sep 17 00:00:00 2001
From: "Stephen F. Booth" <me@sbooth.org>
Date: Sun, 23 Jul 2017 10:11:09 -0400
Subject: [PATCH] Don't assume TDRC is an instance of TextIdentificationFrame
If TDRC is encrypted, FrameFactory::createFrame() returns UnknownFrame
which causes problems in rebuildAggregateFrames() when it is assumed
that TDRC is a TextIdentificationFrame
Upstream-Status: Backport
[https://github.com/taglib/taglib/pull/831/commits/eb9ded1206f18f2c319157337edea2533a40bea6]
CVE: CVE-2017-12678
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
taglib/mpeg/id3v2/id3v2framefactory.cpp | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/taglib/mpeg/id3v2/id3v2framefactory.cpp b/taglib/mpeg/id3v2/id3v2framefactory.cpp
index 759a9b7b..9347ab86 100644
--- a/taglib/mpeg/id3v2/id3v2framefactory.cpp
+++ b/taglib/mpeg/id3v2/id3v2framefactory.cpp
@@ -334,10 +334,11 @@ void FrameFactory::rebuildAggregateFrames(ID3v2::Tag *tag) const
tag->frameList("TDAT").size() == 1)
{
TextIdentificationFrame *tdrc =
- static_cast<TextIdentificationFrame *>(tag->frameList("TDRC").front());
+ dynamic_cast<TextIdentificationFrame *>(tag->frameList("TDRC").front());
UnknownFrame *tdat = static_cast<UnknownFrame *>(tag->frameList("TDAT").front());
- if(tdrc->fieldList().size() == 1 &&
+ if(tdrc &&
+ tdrc->fieldList().size() == 1 &&
tdrc->fieldList().front().size() == 4 &&
tdat->data().size() >= 5)
{
--
2.13.5

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@ -0,0 +1,51 @@
From 272648ccfcccae30e002ccf34a22e075dd477278 Mon Sep 17 00:00:00 2001
From: Scott Gayou <github.scott@gmail.com>
Date: Mon, 4 Jun 2018 11:34:36 -0400
Subject: [PATCH] Fixed OOB read when loading invalid ogg flac file. (#868)
This CVE is caused by a failure to check the minimum length
of a ogg flac header. This header is detailed in full at:
https://xiph.org/flac/ogg_mapping.html. Added more strict checking
for entire header.
Upstream-Status: Backport
[https://github.com/taglib/taglib/pull/869/commits/272648ccfcccae30e002ccf34a22e075dd477278]
CVE: CVE-2018-11439
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
taglib/ogg/flac/oggflacfile.cpp | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/taglib/ogg/flac/oggflacfile.cpp b/taglib/ogg/flac/oggflacfile.cpp
index 53d0450..07ea9dc 100644
--- a/taglib/ogg/flac/oggflacfile.cpp
+++ b/taglib/ogg/flac/oggflacfile.cpp
@@ -231,11 +231,21 @@ void Ogg::FLAC::File::scan()
if(!metadataHeader.startsWith("fLaC")) {
// FLAC 1.1.2+
+ // See https://xiph.org/flac/ogg_mapping.html for the header specification.
+ if(metadataHeader.size() < 13)
+ return;
+
+ if(metadataHeader[0] != 0x7f)
+ return;
+
if(metadataHeader.mid(1, 4) != "FLAC")
return;
- if(metadataHeader[5] != 1)
- return; // not version 1
+ if(metadataHeader[5] != 1 && metadataHeader[6] != 0)
+ return; // not version 1.0
+
+ if(metadataHeader.mid(9, 4) != "fLaC")
+ return;
metadataHeader = metadataHeader.mid(13);
}
--
2.7.4

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@ -1,7 +1,8 @@
# Template file for 'taglib'
pkgname=taglib
version=1.11.1
revision=3
revision=4
patch_args="-Np1"
build_style=cmake
configure_args="-DWITH_MP4=ON -DWITH_ASF=ON -DBUILD_SHARED_LIBS=ON"
hostmakedepends="pkg-config"
@ -10,7 +11,7 @@ short_desc="Library for accessing ID tags in various media files"
maintainer="Juan RP <xtraeme@voidlinux.eu>"
homepage="https://taglib.github.io/"
license="LGPL-2.1, MPL-1.1"
distfiles="https://github.com/taglib/taglib/archive/v$version.tar.gz"
distfiles="https://github.com/taglib/taglib/archive/v${version}.tar.gz"
checksum=b6d1a5a610aae6ff39d93de5efd0fdc787aa9e9dc1e7026fa4c961b26563526b
taglib-devel_package() {