31 lines
868 B
Diff
31 lines
868 B
Diff
This patch solves the issue raised by CVE-2014-9116 in bug 771125.
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We correctly redefine what are the whitespace characters as per RFC5322; by
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doing so we prevent mutt_substrdup from being used in a way that could lead to
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a segfault.
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The lib.c part was written by Antonio Radici <antonio@debian.org> to prevent
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crashes due to this kind of bugs from happening again.
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The wheezy version of this patch is slightly different, therefore this patch
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has -jessie prefixed in its name.
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Index: mutt/lib.c
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===================================================================
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---
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lib.c | 3 +++
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1 file changed, 3 insertions(+)
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--- lib.c
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+++ lib.c 2015-01-26 00:00:00.000000000 +0000
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@@ -824,6 +824,9 @@ char *mutt_substrdup (const char *begin,
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size_t len;
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char *p;
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+ if (end != NULL && end < begin)
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+ return NULL;
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+
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if (end)
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len = end - begin;
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else
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