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bash.8167
bash-4.3-PS4-fix.patch
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File bash-4.3-PS4-fix.patch of Package bash.8167
Based on a0c0a00fc419b7bc08202a79134fcd5bc0427071 Mon Sep 17 00:00:00 2001 From: Chet Ramey <chet.ramey@case.edu> Date: Thu, 15 Sep 2016 16:59:08 -0400 Subject: [PATCH] Fix for CVE-2016-7543 (Was: Bash-4.4 distribution sources and documentation) --- variables.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git variables.c variables.c index 51aaf9c..be2446e 100644 --- variables.c +++ variables.c @@ -495,7 +495,11 @@ initialize_shell_variables (env, privmode) #endif set_if_not ("PS2", secondary_prompt); } - set_if_not ("PS4", "+ "); + + if (current_user.euid == 0) + bind_variable ("PS4", "+ ", 0); + else + set_if_not ("PS4", "+ "); /* Don't allow IFS to be imported from the environment. */ temp_var = bind_variable ("IFS", " \t\n", 0);
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