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* gnu/packages/patches/icecat-CVE-2015-4495.patch: New file. * gnu-system.am (dist_patch_DATA): Add it. * gnu/packages/gnuzilla.scm (icecat)[source]: Add patch. Move the 'patches' field above the snippet.
28 lines
1.2 KiB
Diff
28 lines
1.2 KiB
Diff
Backported from upstream commits labelled "Bug 1178058" from the esr38 branch
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by Boris Zbarsky <bzbarsky@mit.edu> and Bobby Holley <bobbyholley@gmail.com>.
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--- icecat-31.8.0/docshell/base/nsDocShell.cpp
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+++ icecat-31.8.0/docshell/base/nsDocShell.cpp
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@@ -1546,12 +1546,21 @@
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if (owner && mItemType != typeChrome) {
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nsCOMPtr<nsIPrincipal> ownerPrincipal = do_QueryInterface(owner);
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- if (nsContentUtils::IsSystemOrExpandedPrincipal(ownerPrincipal)) {
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+ if (nsContentUtils::IsSystemPrincipal(ownerPrincipal)) {
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if (ownerIsExplicit) {
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return NS_ERROR_DOM_SECURITY_ERR;
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}
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owner = nullptr;
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inheritOwner = true;
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+ } else if (nsContentUtils::IsExpandedPrincipal(ownerPrincipal)) {
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+ if (ownerIsExplicit) {
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+ return NS_ERROR_DOM_SECURITY_ERR;
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+ }
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+ // Don't inherit from the current page. Just do the safe thing
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+ // and pretend that we were loaded by a nullprincipal.
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+ owner = do_CreateInstance("@mozilla.org/nullprincipal;1");
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+ NS_ENSURE_TRUE(owner, NS_ERROR_FAILURE);
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+ inheritOwner = false;
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}
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}
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if (!owner && !inheritOwner && !ownerIsExplicit) {
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