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f9e7e2db94
This commit adds a valid git patch header for each patch, so that additional information can be stored. This is in this case and 'CVE:' tag. This can be used by CVE scanner to find out if the patch fixes a CVE. Signed-off-by: Florian Eckert <fe@dev.tdt.de>
39 lines
1.5 KiB
Diff
39 lines
1.5 KiB
Diff
From 2e856c62e68c9f53c232a9d74a210385ab6a3702 Mon Sep 17 00:00:00 2001
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From: OpenWrt community <openwrt-devel@lists.openwrt.org>
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Date: Mon, 30 Oct 2023 14:52:11 +0100
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Subject: [PATCH] fix: buffer overflow in the list_files function
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https://nvd.nist.gov/vuln/detail/CVE-2014-9913
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CVE: CVE-2014-9913
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---
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list.c | 13 ++++++++++++-
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1 file changed, 12 insertions(+), 1 deletion(-)
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diff --git a/list.c b/list.c
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index 15e0011..3a3d1cd 100644
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--- a/list.c
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+++ b/list.c
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@@ -339,7 +339,18 @@ int list_files(__G) /* return PK-type error code */
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G.crec.compression_method == ENHDEFLATED) {
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methbuf[5] = dtype[(G.crec.general_purpose_bit_flag>>1) & 3];
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} else if (methnum >= NUM_METHODS) {
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- sprintf(&methbuf[4], "%03u", G.crec.compression_method);
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+ /* 2013-02-26 SMS.
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+ * http://sourceforge.net/p/infozip/bugs/27/ CVE-2014-9913.
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+ * Unexpectedly large compression methods overflow
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+ * &methbuf[]. Use the old, three-digit decimal format
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+ * for values which fit. Otherwise, sacrifice the
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+ * colon, and use four-digit hexadecimal.
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+ */
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+ if (G.crec.compression_method <= 999) {
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+ sprintf( &methbuf[ 4], "%03u", G.crec.compression_method);
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+ } else {
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+ sprintf( &methbuf[ 3], "%04X", G.crec.compression_method);
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+ }
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}
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#if 0 /* GRR/Euro: add this? */
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--
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