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From c909964bff671d5ff0d8eee5f613ded4562f8afd Mon Sep 17 00:00:00 2001
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From: Albert Astals Cid <aacid@kde.org>
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Date: Sat, 7 Mar 2015 14:54:43 +0100
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Subject: Do not assert on broken document
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Bug #89422
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diff --git a/poppler/SecurityHandler.cc b/poppler/SecurityHandler.cc
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index d6f5599..44bd8b8 100644
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--- a/poppler/SecurityHandler.cc
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+++ b/poppler/SecurityHandler.cc
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@@ -288,12 +288,16 @@ StandardSecurityHandler::StandardSecurityHandler(PDFDoc *docA,
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ok = gTrue;
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} else if (encVersion == 5 && encRevision == 5) {
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fileID = new GooString(); // unused for V=R=5
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- ownerEnc = ownerEncObj.getString()->copy();
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- userEnc = userEncObj.getString()->copy();
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- if (fileKeyLength > 32 || fileKeyLength < 0) {
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- fileKeyLength = 32;
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+ if (ownerEncObj.isString() && userEncObj.isString()) {
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+ ownerEnc = ownerEncObj.getString()->copy();
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+ userEnc = userEncObj.getString()->copy();
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+ if (fileKeyLength > 32 || fileKeyLength < 0) {
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+ fileKeyLength = 32;
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+ }
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+ ok = gTrue;
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+ } else {
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+ error(errSyntaxError, -1, "Weird encryption owner/user info");
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}
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- ok = gTrue;
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} else if (!(encVersion == -1 && encRevision == -1)) {
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error(errUnimplemented, -1,
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"Unsupported version/revision ({0:d}/{1:d}) of Standard security handler",
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--
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cgit v0.10.2
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