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-rw-r--r--user/libexif/APKBUILD33
-rw-r--r--user/libexif/CVE-2017-7544.patch30
-rw-r--r--user/libexif/CVE-2018-20030.patch115
3 files changed, 18 insertions, 160 deletions
diff --git a/user/libexif/APKBUILD b/user/libexif/APKBUILD
index 71c9f7d06..802ed838c 100644
--- a/user/libexif/APKBUILD
+++ b/user/libexif/APKBUILD
@@ -1,27 +1,32 @@
-# Maintainer:
+# Maintainer: Zach van Rijn <me@zv.io>
pkgname=libexif
-pkgver=0.6.21
-pkgrel=3
+pkgver=0.6.24
+_pkgver=$(printf '%s' "$pkgver" | tr . _)
+pkgrel=0
pkgdesc="Library to parse EXIF metadata"
-url="https://sourceforge.net/projects/libexif"
+url="https://libexif.github.io/"
arch="all"
license="LGPL-2.0+"
subpackages="$pkgname-dev $pkgname-doc $pkgname-lang"
depends=""
makedepends=""
-source="https://downloads.sourceforge.net/$pkgname/$pkgname-$pkgver.tar.bz2
- CVE-2017-7544.patch
- CVE-2018-20030.patch"
+source="https://github.com/libexif/$pkgname/releases/download/v$pkgver/$pkgname-$pkgver.tar.bz2"
# secfixes:
# 0.6.21-r3:
# - CVE-2017-7544
# - CVE-2018-20030
-
-prepare() {
- update_config_sub
- default_prepare
-}
+# 0.6.21-r4:
+# - CVE-2016-6328
+# - CVE-2019-9278
+# 0.6.22-r0:
+# - CVE-2020-0093
+# - CVE-2020-0182
+# - CVE-2020-0198
+# - CVE-2020-12767
+# - CVE-2020-13112
+# - CVE-2020-13113
+# - CVE-2020-13114
build() {
./configure \
@@ -39,6 +44,4 @@ package() {
make DESTDIR="$pkgdir" install
}
-sha512sums="4e0fe2abe85d1c95b41cb3abe1f6333dc3a9eb69dba106a674a78d74a4d5b9c5a19647118fa1cc2d72b98a29853394f1519eda9e2889eb28d3be26b21c7cfc35 libexif-0.6.21.tar.bz2
-d529c6c5bd26dc21c0946702574184e1f61c2bfd4fb95b41e314f486a0dd55571963ff2cad566d2fb0804de3c0799bcd956c15a3dc10a520ce207728edad4e2d CVE-2017-7544.patch
-0d6123bd275ace338ad9cebb31a2e714de0141b91860f07394b281686a5393566c3f4159679d4ba689ae7ea69ae2e412b158c3deb451c40c210b5817f6888bbc CVE-2018-20030.patch"
+sha512sums="35c9e7af2c3d44a638dc6bbe8f96962d41c0f3fe4a257494f7a73baefab9aba507477175289ccf9002a66cc16ca53d5d1f44d6fef9e014b27f687ecdc58f5111 libexif-0.6.24.tar.bz2"
diff --git a/user/libexif/CVE-2017-7544.patch b/user/libexif/CVE-2017-7544.patch
deleted file mode 100644
index 534817417..000000000
--- a/user/libexif/CVE-2017-7544.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-From c39acd1692023b26290778a02a9232c873f9d71a Mon Sep 17 00:00:00 2001
-From: Marcus Meissner <marcus@jet.franken.de>
-Date: Tue, 25 Jul 2017 23:38:56 +0200
-Subject: [PATCH] On saving makernotes, make sure the makernote container tags
- has a type with 1 byte components.
-
-Fixes (at least):
- https://sourceforge.net/p/libexif/bugs/130
- https://sourceforge.net/p/libexif/bugs/129
----
- libexif/exif-data.c | 6 ++++++
- 1 file changed, 6 insertions(+)
-
-diff --git a/libexif/exif-data.c b/libexif/exif-data.c
-index 67df4db..91f4c33 100644
---- a/libexif/exif-data.c
-+++ b/libexif/exif-data.c
-@@ -255,6 +255,12 @@ exif_data_save_data_entry (ExifData *data, ExifEntry *e,
- exif_mnote_data_set_offset (data->priv->md, *ds - 6);
- exif_mnote_data_save (data->priv->md, &e->data, &e->size);
- e->components = e->size;
-+ if (exif_format_get_size (e->format) != 1) {
-+ /* e->format is taken from input code,
-+ * but we need to make sure it is a 1 byte
-+ * entity due to the multiplication below. */
-+ e->format = EXIF_FORMAT_UNDEFINED;
-+ }
- }
- }
-
diff --git a/user/libexif/CVE-2018-20030.patch b/user/libexif/CVE-2018-20030.patch
deleted file mode 100644
index 837d003d7..000000000
--- a/user/libexif/CVE-2018-20030.patch
+++ /dev/null
@@ -1,115 +0,0 @@
-Edited slightly to backport to stable
-
-From 6aa11df549114ebda520dde4cdaea2f9357b2c89 Mon Sep 17 00:00:00 2001
-From: Dan Fandrich <dan@coneharvesters.com>
-Date: Fri, 12 Oct 2018 16:01:45 +0200
-Subject: [PATCH] Improve deep recursion detection in
- exif_data_load_data_content.
-
-The existing detection was still vulnerable to pathological cases
-causing DoS by wasting CPU. The new algorithm takes the number of tags
-into account to make it harder to abuse by cases using shallow recursion
-but with a very large number of tags. This improves on commit 5d28011c
-which wasn't sufficient to counter this kind of case.
-
-The limitation in the previous fix was discovered by Laurent Delosieres,
-Secunia Research at Flexera (Secunia Advisory SA84652) and is assigned
-the identifier CVE-2018-20030.
----
- libexif/exif-data.c | 45 +++++++++++++++++++++++++++++++++++++--------
-
-diff --git a/libexif/exif-data.c b/libexif/exif-data.c
-index e35403d..a6f9c94 100644
---- a/libexif/exif-data.c
-+++ b/libexif/exif-data.c
-@@ -35,6 +35,7 @@
- #include <libexif/olympus/exif-mnote-data-olympus.h>
- #include <libexif/pentax/exif-mnote-data-pentax.h>
-
-+#include <math.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include <string.h>
-@@ -350,6 +351,20 @@ if (data->ifd[(i)]->count) { \
- break; \
- }
-
-+/*! Calculate the recursion cost added by one level of IFD loading.
-+ *
-+ * The work performed is related to the cost in the exponential relation
-+ * work=1.1**cost
-+ */
-+static unsigned int
-+level_cost(unsigned int n)
-+{
-+ static const double log_1_1 = 0.09531017980432493;
-+
-+ /* Adding 0.1 protects against the case where n==1 */
-+ return ceil(log(n + 0.1)/log_1_1);
-+}
-+
- /*! Load data for an IFD.
- *
- * \param[in,out] data #ExifData
-@@ -357,13 +372,13 @@ if (data->ifd[(i)]->count) { \
- * \param[in] d pointer to buffer containing raw IFD data
- * \param[in] ds size of raw data in buffer at \c d
- * \param[in] offset offset into buffer at \c d at which IFD starts
-- * \param[in] recursion_depth number of times this function has been
-- * recursively called without returning
-+ * \param[in] recursion_cost factor indicating how expensive this recursive
-+ * call could be
- */
- static void
- exif_data_load_data_content (ExifData *data, ExifIfd ifd,
- const unsigned char *d,
-- unsigned int ds, unsigned int offset, unsigned int recursion_depth)
-+ unsigned int ds, unsigned int offset, unsigned int recursion_cost)
- {
- ExifLong o, thumbnail_offset = 0, thumbnail_length = 0;
- ExifShort n;
-@@ -378,9 +393,20 @@ exif_data_load_data_content (ExifData *data, ExifIfd ifd,
- if ((((int)ifd) < 0) || ( ((int)ifd) >= EXIF_IFD_COUNT))
- return;
-
-- if (recursion_depth > 30) {
-+ if (recursion_cost > 170) {
-+ /*
-+ * recursion_cost is a logarithmic-scale indicator of how expensive this
-+ * recursive call might end up being. It is an indicator of the depth of
-+ * recursion as well as the potential for worst-case future recursive
-+ * calls. Since it's difficult to tell ahead of time how often recursion
-+ * will occur, this assumes the worst by assuming every tag could end up
-+ * causing recursion.
-+ * The value of 170 was chosen to limit typical EXIF structures to a
-+ * recursive depth of about 6, but pathological ones (those with very
-+ * many tags) to only 2.
-+ */
- exif_log (data->priv->log, EXIF_LOG_CODE_CORRUPT_DATA, "ExifData",
-- "Deep recursion detected!");
-+ "Deep/expensive recursion detected!");
- return;
- }
-
-@@ -422,15 +448,18 @@ exif_data_load_data_content (ExifData *data, ExifIfd ifd,
- switch (tag) {
- case EXIF_TAG_EXIF_IFD_POINTER:
- CHECK_REC (EXIF_IFD_EXIF);
-- exif_data_load_data_content (data, EXIF_IFD_EXIF, d, ds, o, recursion_depth + 1);
-+ exif_data_load_data_content (data, EXIF_IFD_EXIF, d, ds, o,
-+ recursion_cost + level_cost(n));
- break;
- case EXIF_TAG_GPS_INFO_IFD_POINTER:
- CHECK_REC (EXIF_IFD_GPS);
-- exif_data_load_data_content (data, EXIF_IFD_GPS, d, ds, o, recursion_depth + 1);
-+ exif_data_load_data_content (data, EXIF_IFD_GPS, d, ds, o,
-+ recursion_cost + level_cost(n));
- break;
- case EXIF_TAG_INTEROPERABILITY_IFD_POINTER:
- CHECK_REC (EXIF_IFD_INTEROPERABILITY);
-- exif_data_load_data_content (data, EXIF_IFD_INTEROPERABILITY, d, ds, o, recursion_depth + 1);
-+ exif_data_load_data_content (data, EXIF_IFD_INTEROPERABILITY, d, ds, o,
-+ recursion_cost + level_cost(n));
- break;
- case EXIF_TAG_JPEG_INTERCHANGE_FORMAT:
- thumbnail_offset = o;