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057e1f5d06
Details: https://nvd.nist.gov/vuln/detail/CVE-2024-32040 Pick the patch that is marked to resolve the related github advisory. Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com> Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
30 lines
941 B
Diff
30 lines
941 B
Diff
From f29088d17903aa8e58073b9811dc8a72f94cf4fb Mon Sep 17 00:00:00 2001
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From: akallabeth <akallabeth@posteo.net>
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Date: Tue, 16 Apr 2024 08:26:37 +0200
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Subject: [PATCH] fix missing check
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in nsc_rle_decode abort if there are more bytes to be read then there
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are left.
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CVE: CVE-2024-32040
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Upstream-Status: Backport [https://github.com/FreeRDP/FreeRDP/commit/d58cbc96aced4d082abf92b41a415a891c7ea309]
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Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
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---
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libfreerdp/codec/nsc.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libfreerdp/codec/nsc.c b/libfreerdp/codec/nsc.c
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index 049b541f1..c2d92e48c 100644
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--- a/libfreerdp/codec/nsc.c
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+++ b/libfreerdp/codec/nsc.c
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@@ -160,7 +160,7 @@ static BOOL nsc_rle_decode(const BYTE* in, size_t inSize, BYTE* out, UINT32 outS
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len |= ((UINT32)(*in++)) << 24U;
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}
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- if (outSize < len)
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+ if ((outSize < len) || (left < len))
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return FALSE;
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outSize -= len;
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