94d671f673
* gnu/packages/backup.scm (libarchive)[replacement]: New field. (libarchive-3.3.2): New variable. * gnu/packages/patches/libarchive-CVE-2017-14166.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it.
45 lines
1.2 KiB
Diff
45 lines
1.2 KiB
Diff
Fix CVE-2017-14166:
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https://github.com/libarchive/libarchive/issues/935
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14166
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Patch copied from upstream source repository:
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https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71
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From fa7438a0ff4033e4741c807394a9af6207940d71 Mon Sep 17 00:00:00 2001
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From: Joerg Sonnenberger <joerg@bec.de>
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Date: Tue, 5 Sep 2017 18:12:19 +0200
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Subject: [PATCH] Do something sensible for empty strings to make fuzzers
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happy.
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---
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libarchive/archive_read_support_format_xar.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/libarchive/archive_read_support_format_xar.c b/libarchive/archive_read_support_format_xar.c
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index 7a22beb9d..93eeacc5e 100644
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--- a/libarchive/archive_read_support_format_xar.c
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+++ b/libarchive/archive_read_support_format_xar.c
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@@ -1040,6 +1040,9 @@ atol10(const char *p, size_t char_cnt)
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uint64_t l;
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int digit;
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+ if (char_cnt == 0)
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+ return (0);
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+
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l = 0;
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digit = *p - '0';
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while (digit >= 0 && digit < 10 && char_cnt-- > 0) {
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@@ -1054,7 +1057,10 @@ atol8(const char *p, size_t char_cnt)
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{
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int64_t l;
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int digit;
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-
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+
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+ if (char_cnt == 0)
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+ return (0);
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+
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l = 0;
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while (char_cnt-- > 0) {
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if (*p >= '0' && *p <= '7')
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