From 2cf2a3ed52466a4ab1fe031b5a0fb3c9002f5eba Mon Sep 17 00:00:00 2001
From: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: Sat, 4 Feb 2017 12:12:27 +0100
Subject: [PATCH] flashtool: make CFlashVersionInfo robust against invalid
 input

---
 src/system/flashtool.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/system/flashtool.cpp b/src/system/flashtool.cpp
index 5f669d1c3..d246af2c9 100644
--- a/src/system/flashtool.cpp
+++ b/src/system/flashtool.cpp
@@ -446,10 +446,14 @@ void CFlashTool::reboot()
 }
 
 //-----------------------------------------------------------------------------------------------------------------
-CFlashVersionInfo::CFlashVersionInfo(const std::string & versionString)
+CFlashVersionInfo::CFlashVersionInfo(const std::string & _versionString)
 {
 	//SBBBYYYYMMTTHHMM -- formatsting
-
+	std::string versionString = _versionString;
+	/* just to make sure the string is long enough for the following code
+	 * trailing chars don't matter -- will just be ignored */
+	if (versionString.size() < 16)
+		versionString.append(16, '0');
 	// recover type
 	snapshot = versionString[0];