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author | Scott Duplichan <scott@notabs.org> | 2014-09-02 19:50:09 +0000 |
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committer | jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-09-02 19:50:09 +0000 |
commit | a3d236df1441f07d727e3aa98f865d4695e0a9f4 (patch) | |
tree | f9b22946a34ca889d16fb048d346e9b1f0f48190 /ShellPkg/Library | |
parent | 8edfdee0dc05e5dfc343fca5fffe334d0b359020 (diff) | |
download | edk2-platforms-a3d236df1441f07d727e3aa98f865d4695e0a9f4.tar.xz |
ShellPkg: Prevent StrnCpy from overwriting null terminator when source is larger than destination.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Scott Duplichan <scott@notabs.org>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16035 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ShellPkg/Library')
-rw-r--r-- | ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c b/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c index 9a85f917bb..8e5434cfd2 100644 --- a/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c +++ b/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c @@ -618,7 +618,7 @@ IfconfigGetAllNicInfoByHii ( goto ON_ERROR;
}
if (ConfigHdr != NULL) {
- StrnCpy (ConfigResp, ConfigHdr, Length + NIC_ITEM_CONFIG_SIZE * 2 + 100);
+ StrnCpy (ConfigResp, ConfigHdr, Length + NIC_ITEM_CONFIG_SIZE * 2 + 100 - 1);
}
//
@@ -791,7 +791,7 @@ IfconfigSetNicAddrByHii ( goto ON_EXIT;
}
if (ConfigHdr != NULL) {
- StrnCpy (ConfigResp, ConfigHdr, Length + NIC_ITEM_CONFIG_SIZE * 2 + 100);
+ StrnCpy (ConfigResp, ConfigHdr, Length + NIC_ITEM_CONFIG_SIZE * 2 + 100 - 1);
}
NicConfig = AllocateZeroPool (NIC_ITEM_CONFIG_SIZE);
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