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wget: fix CVE-2019-5953

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(From OE-Core rev: db17c2467af57a802f29a423ce1e9f0508bff5fe)

Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Anuj Mittal
2019-07-26 12:47:26 +08:00
committed by Richard Purdie
parent 1ccb3bd2dc
commit 31057d6dcc
2 changed files with 35 additions and 0 deletions
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34
meta/recipes-extended/wget/wget/CVE-2019-5953.patch Normal file
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@@ -0,0 +1,34 @@
From 692d5c5215de0db482c252492a92fc424cc6a97c Mon Sep 17 00:00:00 2001
From: Tim Ruehsen <tim.ruehsen@gmx.de>
Date: Fri, 5 Apr 2019 11:50:44 +0200
Subject: Fix a buffer overflow vulnerability
* src/iri.c(do_conversion): Reallocate the output buffer to a larger
size if it is already full
Upstream-Status: Backport
CVE: CVE-2019-5953
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
---
--- a/src/iri.c
+++ b/src/iri.c
@@ -188,11 +191,14 @@ do_conversion (const char *tocode, const char *fromcode, char const *in_org, siz
}
else if (errno == E2BIG) /* Output buffer full */
{
+ logprintf (LOG_VERBOSE,
+ _("Reallocate output buffer len=%d outlen=%d inlen=%d\n"), len, outlen, inlen);
tooshort++;
done = len;
- len = outlen = done + inlen * 2;
- s = xrealloc (s, outlen + 1);
- *out = s + done;
+ len = done + inlen * 2;
+ s = xrealloc (s, len + 1);
+ *out = s + done - outlen;
+ outlen += inlen * 2;
}
else /* Weird, we got an unspecified error */
{
--
cgit v1.0-41-gc330

1
meta/recipes-extended/wget/wget_1.20.1.bb
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@@ -1,5 +1,6 @@
SRC_URI = "${GNU_MIRROR}/wget/wget-${PV}.tar.gz \
file://0002-improve-reproducibility.patch \
file://CVE-2019-5953.patch \
"
SRC_URI[md5sum] = "f6ebe9c7b375fc9832fb1b2028271fb7"