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41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
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Fix an "invalid read during ID3v2 tag parsing".
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https://security-tracker.debian.org/tracker/TEMP-0000000-57E7C1
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https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/issues/876
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Patch copied from upstream source repository:
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https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/commit/f4a1428a6997658625d529b9db60fde812fbf1ee
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From f4a1428a6997658625d529b9db60fde812fbf1ee Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Tim-Philipp=20M=C3=BCller?= <tim@centricular.com>
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Date: Wed, 3 Mar 2021 01:08:25 +0000
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Subject: [PATCH] tag: id3v2: fix frame size check and potential invalid reads
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Check the right variable when checking if there's
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enough data left to read the frame size.
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Closes https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/issues/876
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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1065>
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---
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gst-libs/gst/tag/id3v2frames.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/gst-libs/gst/tag/id3v2frames.c b/gst-libs/gst/tag/id3v2frames.c
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index 8e9f78254..f39659bf7 100644
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--- a/gst-libs/gst/tag/id3v2frames.c
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+++ b/gst-libs/gst/tag/id3v2frames.c
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@@ -109,7 +109,7 @@ id3v2_parse_frame (ID3TagsWorking * work)
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if (work->frame_flags & (ID3V2_FRAME_FORMAT_COMPRESSION |
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ID3V2_FRAME_FORMAT_DATA_LENGTH_INDICATOR)) {
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- if (work->hdr.frame_data_size <= 4)
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+ if (frame_data_size <= 4)
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return FALSE;
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if (ID3V2_VER_MAJOR (work->hdr.version) == 3) {
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work->parse_size = GST_READ_UINT32_BE (frame_data);
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--
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2.31.1
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