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2d814c5023
Refer: https://gitlab.gnome.org/GNOME/libsoup/-/issues/431 Signed-off-by: Changqing Li <changqing.li@windriver.com> Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>
39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
From e6e088e62c10ab91fa2f2ad5c122332aa7cde97c Mon Sep 17 00:00:00 2001
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From: Changqing Li <changqing.li@windriver.com>
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Date: Mon, 12 May 2025 16:55:37 +0800
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Subject: [PATCH] content-sniffer: Handle sniffing resource shorter than
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4 bytes
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CVE: CVE-2025-32909
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Upstream-Status: Backport
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[https://gitlab.gnome.org/GNOME/libsoup/-/commit/ba4c3a6f988beff59e45801ab36067293d24ce92]
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Signed-off-by: Changqing Li <changqing.li@windriver.com>
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---
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libsoup/soup-content-sniffer.c | 7 ++++++-
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1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/libsoup/soup-content-sniffer.c b/libsoup/soup-content-sniffer.c
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index eac9e7b..73d2245 100644
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--- a/libsoup/soup-content-sniffer.c
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+++ b/libsoup/soup-content-sniffer.c
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@@ -227,9 +227,14 @@ sniff_mp4 (SoupContentSniffer *sniffer, SoupBuffer *buffer)
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{
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const char *resource = (const char *)buffer->data;
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guint resource_length = MIN (512, buffer->length);
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- guint32 box_size = *((guint32*)resource);
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+ guint32 box_size;
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guint i;
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+ if (resource_length < sizeof (guint32))
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+ return FALSE;
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+
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+ box_size = *((guint32*)resource);
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+
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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box_size = ((box_size >> 24) |
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((box_size << 8) & 0x00FF0000) |
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--
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2.34.1
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