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37 lines
1.1 KiB
37 lines
1.1 KiB
6 years ago
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From 1313fa02a5b2bfe61ee6702696600fc148ec2d6e Mon Sep 17 00:00:00 2001
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From: Gary Ching-Pang Lin <glin@suse.com>
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Date: Tue, 4 Nov 2014 15:50:03 +0800
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Subject: [PATCH 1/7] Fix the potential buffer overflow
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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---
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src/mokutil.c | 5 ++---
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1 file changed, 2 insertions(+), 3 deletions(-)
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diff --git a/src/mokutil.c b/src/mokutil.c
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index 5b34f22..93fb6fa 100644
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--- a/src/mokutil.c
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+++ b/src/mokutil.c
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@@ -1743,7 +1743,7 @@ set_toggle (const char * VarName, uint32_t state)
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MokToggleVar tvar;
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char *password = NULL;
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unsigned int pw_len;
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- efi_char16_t efichar_pass[SB_PASSWORD_MAX];
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+ efi_char16_t efichar_pass[SB_PASSWORD_MAX+1];
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int ret = -1;
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printf ("password length: %d~%d\n", SB_PASSWORD_MIN, SB_PASSWORD_MAX);
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@@ -1757,8 +1757,7 @@ set_toggle (const char * VarName, uint32_t state)
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efichar_from_char (efichar_pass, password,
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SB_PASSWORD_MAX * sizeof(efi_char16_t));
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- memcpy(tvar.password, efichar_pass,
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- SB_PASSWORD_MAX * sizeof(efi_char16_t));
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+ memcpy(tvar.password, efichar_pass, sizeof(tvar.password));
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tvar.mok_toggle_state = state;
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--
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2.7.4
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