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From c60c227ab9a36246730d7454e33d40d2c66c88b3 Mon Sep 17 00:00:00 2001
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From: Kamil Dudka <kdudka@redhat.com>
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Date: Wed, 13 Feb 2013 15:26:22 +0100
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Subject: [PATCH] fix CVE-2008-4690
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prompt user before executing command via a lynxcgi link even in advanced mode,
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as the actual URL may not be shown but hidden behind an HTTP redirect and set
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TRUSTED_LYNXCGI:none in lynx.cfg to disable all lynxcgi URLs by default
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---
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CHANGES | 7 +++++++
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lynx.cfg | 2 +-
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src/LYCgi.c | 2 +-
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3 files changed, 9 insertions(+), 2 deletions(-)
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diff --git a/CHANGES b/CHANGES
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index 360be68..8eca013 100644
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--- a/CHANGES
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+++ b/CHANGES
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@@ -1355,6 +1355,13 @@ Changes since Lynx 2.8 release
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* update win32 makefiles/build scripts to add LYmktime, parsdate modules -TD
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* update config.guess (2008-04-14), config.sub (2008-06-16)
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+2008-10-26
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+* modify patch for CVE-2005-2929 to prompt user before executing command via
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+ a lynxcgi link even in advanced mode, as the actual URL may not be shown but
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+ hidden behind an HTTP redirect
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+* set TRUSTED_LYNXCGI:none in lynx.cfg to disable all lynxcgi URLs by default
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+ [CVE-2008-4690]
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+
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2008-09-21 (2.8.7dev.10)
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* remove rw.po, since the translation project no longer supplies it -TD
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* implement "readonly" attribute for TEXTAREA and TEXT fields -TD
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diff --git a/lynx.cfg b/lynx.cfg
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index ee2aad3..144050d 100644
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--- a/lynx.cfg
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+++ b/lynx.cfg
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@@ -1087,7 +1087,7 @@ LOCALE_CHARSET:TRUE
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#
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# The default TRUSTED_LYNXCGI rule is "none".
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#
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-#TRUSTED_LYNXCGI:none
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+TRUSTED_LYNXCGI:none
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.h2 LYNXCGI_ENVIRONMENT
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# Unix:
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diff --git a/src/LYCgi.c b/src/LYCgi.c
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index 832bb89..0ae8a7e 100644
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--- a/src/LYCgi.c
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+++ b/src/LYCgi.c
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@@ -167,7 +167,7 @@ static BOOL can_exec_cgi(const char *linktext, const char *linkargs)
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if (!exec_ok(HTLoadedDocumentURL(), linktext, CGI_PATH)) {
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/* exec_ok gives out msg. */
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result = FALSE;
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- } else {
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+ } else if (user_mode < ADVANCED_MODE) {
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StrAllocCopy(command, linktext);
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if (non_empty(linkargs)) {
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HTSprintf(&command, " %s", linkargs);
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--
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1.7.1
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