[Buildroot] [PATCH 1/2] package/poppler: backport patch to fix CVE-2023-34872

* [Buildroot] [PATCH 1/2] package/poppler: backport patch to fix CVE-2023-34872
@ 2023-09-02 21:40 Thomas Petazzoni via buildroot
  2023-09-02 21:40 ` [Buildroot] [PATCH 2/2] package/poppler: bump version to matest in 22.x series Thomas Petazzoni via buildroot
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Thomas Petazzoni via buildroot @ 2023-09-02 21:40 UTC (permalink / raw)
  To: buildroot; +Cc: Olivier Schonken, Thomas Petazzoni

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
 ...em-open-Fix-crash-on-malformed-files.patch | 45 +++++++++++++++++++
 package/poppler/poppler.mk                    |  2 +
 2 files changed, 47 insertions(+)
 create mode 100644 package/poppler/0001-OutlineItem-open-Fix-crash-on-malformed-files.patch

diff --git a/package/poppler/0001-OutlineItem-open-Fix-crash-on-malformed-files.patch b/package/poppler/0001-OutlineItem-open-Fix-crash-on-malformed-files.patch
new file mode 100644
index 0000000000..478759e0cc
--- /dev/null
+++ b/package/poppler/0001-OutlineItem-open-Fix-crash-on-malformed-files.patch
@@ -0,0 +1,45 @@
+From e5cc11e0b5b867f4705fd28ff1b981c1224be1cd Mon Sep 17 00:00:00 2001
+From: Albert Astals Cid <aacid@kde.org>
+Date: Wed, 17 May 2023 22:42:05 +0200
+Subject: [PATCH] OutlineItem::open: Fix crash on malformed files
+
+Fixes #1399
+
+Upstream: https://gitlab.freedesktop.org/poppler/poppler/-/commit/591235c8b6c65a2eee88991b9ae73490fd9afdfe
+[Thomas: backported to fix CVE-2023-34872]
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
+---
+ poppler/Outline.cc | 10 +++++++---
+ 1 file changed, 7 insertions(+), 3 deletions(-)
+
+diff --git a/poppler/Outline.cc b/poppler/Outline.cc
+index cbb6cb49..4c68be99 100644
+--- a/poppler/Outline.cc
++++ b/poppler/Outline.cc
+@@ -14,7 +14,7 @@
+ // under GPL version 2 or later
+ //
+ // Copyright (C) 2005 Marco Pesenti Gritti <mpg@redhat.com>
+-// Copyright (C) 2008, 2016-2019, 2021 Albert Astals Cid <aacid@kde.org>
++// Copyright (C) 2008, 2016-2019, 2021, 2023 Albert Astals Cid <aacid@kde.org>
+ // Copyright (C) 2009 Nick Jones <nick.jones@network-box.com>
+ // Copyright (C) 2016 Jason Crain <jason@aquaticape.us>
+ // Copyright (C) 2017 Adrian Johnson <ajohnson@redneon.com>
+@@ -483,8 +483,12 @@ void OutlineItem::open()
+ {
+     if (!kids) {
+         Object itemDict = xref->fetch(ref);
+-        const Object &firstRef = itemDict.dictLookupNF("First");
+-        kids = readItemList(this, &firstRef, xref, doc);
++        if (itemDict.isDict()) {
++            const Object &firstRef = itemDict.dictLookupNF("First");
++            kids = readItemList(this, &firstRef, xref, doc);
++        } else {
++            kids = new std::vector<OutlineItem *>();
++        }
+     }
+ }
+ 
+-- 
+2.41.0
+
diff --git a/package/poppler/poppler.mk b/package/poppler/poppler.mk
index 5524bfc420..4c6017a5f5 100644
--- a/package/poppler/poppler.mk
+++ b/package/poppler/poppler.mk
@@ -11,6 +11,8 @@ POPPLER_DEPENDENCIES = fontconfig host-pkgconf
 POPPLER_LICENSE = GPL-2.0+
 POPPLER_LICENSE_FILES = COPYING
 POPPLER_CPE_ID_VENDOR = freedesktop
+# 0001-OutlineItem-open-Fix-crash-on-malformed-files.patch
+POPPLER_IGNORE_CVES += CVE-2023-34872
 POPPLER_INSTALL_STAGING = YES
 
 POPPLER_CONF_OPTS = \
-- 
2.41.0

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