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* gnu/packages/patches/libextractor-CVE-2018-20430.patch, gnu/packages/patches/libextractor-CVE-2018-20431.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/gnunet.scm (libextractor)[source]: Use them.
60 lines
1.7 KiB
Diff
60 lines
1.7 KiB
Diff
Fix CVE-2018-20430:
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https://gnunet.org/bugs/view.php?id=5493
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20430
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https://security-tracker.debian.org/tracker/CVE-2018-20430
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Patch copied from upstream source repository:
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https://gnunet.org/git/libextractor.git/commit/?id=b405d707b36e0654900cba78e89f49779efea110
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From b405d707b36e0654900cba78e89f49779efea110 Mon Sep 17 00:00:00 2001
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From: Christian Grothoff <christian@grothoff.org>
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Date: Thu, 20 Dec 2018 22:47:53 +0100
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Subject: [PATCH] fix #5493 (out of bounds read)
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---
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src/common/convert.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/src/common/convert.c b/src/common/convert.c
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index c0edf21..2be2108 100644
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--- a/src/common/convert.c
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+++ b/src/common/convert.c
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@@ -36,8 +36,8 @@
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* string is returned.
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*/
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char *
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-EXTRACTOR_common_convert_to_utf8 (const char *input,
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- size_t len,
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+EXTRACTOR_common_convert_to_utf8 (const char *input,
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+ size_t len,
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const char *charset)
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{
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#if HAVE_ICONV
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@@ -52,7 +52,7 @@ EXTRACTOR_common_convert_to_utf8 (const char *input,
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i = input;
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cd = iconv_open ("UTF-8", charset);
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if (cd == (iconv_t) - 1)
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- return strdup (i);
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+ return strndup (i, len);
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if (len > 1024 * 1024)
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{
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iconv_close (cd);
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@@ -67,11 +67,11 @@ EXTRACTOR_common_convert_to_utf8 (const char *input,
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}
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itmp = tmp;
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finSize = tmpSize;
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- if (iconv (cd, (char **) &input, &len, &itmp, &finSize) == SIZE_MAX)
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+ if (iconv (cd, (char **) &input, &len, &itmp, &finSize) == ((size_t) -1))
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{
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iconv_close (cd);
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free (tmp);
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- return strdup (i);
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+ return strndup (i, len);
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}
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ret = malloc (tmpSize - finSize + 1);
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if (ret == NULL)
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--
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2.20.1
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