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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>
41 lines
1.6 KiB
Diff
41 lines
1.6 KiB
Diff
From 03e6da41ba5d588fe072465589a64def3dc4d82b 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 14:44:08 +0100
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Subject: [PATCH] fix: heap-based buffer overflow in the test_compr_eb
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function
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https://nvd.nist.gov/vuln/detail/CVE-2014-8140
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CVE: CVE-2014-8140
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---
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extract.c | 13 ++++++++++---
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1 file changed, 10 insertions(+), 3 deletions(-)
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diff --git a/extract.c b/extract.c
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index df0fa1c..ec31e60 100644
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--- a/extract.c
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+++ b/extract.c
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@@ -2232,10 +2232,17 @@ static int test_compr_eb(__G__ eb, eb_size, compr_offset, test_uc_ebdata)
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if (compr_offset < 4) /* field is not compressed: */
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return PK_OK; /* do nothing and signal OK */
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+ /* Return no/bad-data error status if any problem is found:
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+ * 1. eb_size is too small to hold the uncompressed size
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+ * (eb_ucsize). (Else extract eb_ucsize.)
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+ * 2. eb_ucsize is zero (invalid). 2014-12-04 SMS.
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+ * 3. eb_ucsize is positive, but eb_size is too small to hold
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+ * the compressed data header.
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+ */
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if ((eb_size < (EB_UCSIZE_P + 4)) ||
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- ((eb_ucsize = makelong(eb+(EB_HEADSIZE+EB_UCSIZE_P))) > 0L &&
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- eb_size <= (compr_offset + EB_CMPRHEADLEN)))
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- return IZ_EF_TRUNC; /* no compressed data! */
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+ ((eb_ucsize = makelong( eb+ (EB_HEADSIZE+ EB_UCSIZE_P))) == 0L) ||
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+ ((eb_ucsize > 0L) && (eb_size <= (compr_offset + EB_CMPRHEADLEN))))
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+ return IZ_EF_TRUNC; /* no/bad compressed data! */
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if (
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#ifdef INT_16BIT
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--
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