fix CVE-2022-38784
(cherry picked from commit 50b19e39852bbb1373e762c39161038b8719d978)
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backport-CVE-2022-38784.patch
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32
backport-CVE-2022-38784.patch
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@ -0,0 +1,32 @@
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From 27354e9d9696ee2bc063910a6c9a6b27c5184a52 Mon Sep 17 00:00:00 2001
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From: Albert Astals Cid <aacid@kde.org>
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Date: Thu, 25 Aug 2022 00:14:22 +0200
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Subject: [PATCH] JBIG2Stream: Fix crash on broken file
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https://github.com/jeffssh/CVE-2021-30860
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Thanks to David Warren for the heads up
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---
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poppler/JBIG2Stream.cc | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/poppler/JBIG2Stream.cc b/poppler/JBIG2Stream.cc
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index a861da2..0bd8305 100644
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--- a/poppler/JBIG2Stream.cc
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+++ b/poppler/JBIG2Stream.cc
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@@ -2099,7 +2099,11 @@ void JBIG2Stream::readTextRegionSeg(unsigned int segNum, bool imm,
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for (i = 0; i < nRefSegs; ++i) {
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if ((seg = findSegment(refSegs[i]))) {
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if (seg->getType() == jbig2SegSymbolDict) {
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- numSyms += ((JBIG2SymbolDict *)seg)->getSize();
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+ const unsigned int segSize = ((JBIG2SymbolDict *)seg)->getSize();
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+ if (unlikely(checkedAdd(numSyms, segSize, &numSyms))) {
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+ error(errSyntaxError, getPos(), "Too many symbols in JBIG2 text region");
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+ return;
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+ }
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} else if (seg->getType() == jbig2SegCodeTable) {
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codeTables->push_back(seg);
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}
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--
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1.8.3.1
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@ -4,7 +4,7 @@
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Summary: PDF rendering library
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Name: poppler
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Version: 0.90.0
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Release: 2
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Release: 3
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License: (GPLv2 or GPLv3) and GPLv2+ and LGPLv2+ and MIT
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URL: http://poppler.freedesktop.org/
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Source0: http://poppler.freedesktop.org/poppler-%{version}.tar.xz
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@ -15,6 +15,8 @@ Patch5: poppler-0.84.0-MacroPushRequiredVars.patch
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Patch7: poppler-0.90.0-position-independent-code.patch
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Patch8: %{name}-gcc11.patch
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Patch6001: backport-CVE-2022-38784.patch
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BuildRequires: cmake
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BuildRequires: gcc-c++
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BuildRequires: gettext-devel
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@ -232,6 +234,9 @@ test "$(pkg-config --modversion poppler-splash)" = "%{version}"
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%{_mandir}/man1/*
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%changelog
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* Tue Sep 06 2022 zhouwenpei <zhouwenpei1@h-partners.com> - 0.90.0-3
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- fix CVE-2022-38784
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* Tue Jan 18 2022 xu_ping <xuping33@huawei.com> - 0.90.0-2
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- Add BuildRequires openjpeg2-tools to fix "/usr/bin/opj2_decompress" not found
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