Source: https://gitlab.com/libtiff/libtiff
MR: 120544
Type: Security Fix
Disposition: Backport from https://gitlab.com/libtiff/libtiff/-/commit/275735d0354e39c0ac1dc3c0db2120d6f31d1990
ChangeID: 2f9df449974f5436c1690f3ace5d74b1ab4670c9
Description:
CVE-2022-34526 libtiff: A stack overflow was discovered in the _TIFFVGetField function of Tiffsplit.

Signed-off-by: Hitendra Prajapati <hprajapati@...>
---
.../libtiff/tiff/CVE-2022-34526.patch | 29 +++++++++++++++++++
meta/recipes-multimedia/libtiff/tiff_4.3.0.bb | 1 +
2 files changed, 30 insertions(+)
create mode 100644 meta/recipes-multimedia/libtiff/tiff/CVE-2022-34526.patch

diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2022-34526.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2022-34526.patch
new file mode 100644
index 0000000000..48ca56982f
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2022-34526.patch
@@ -0,0 +1,29 @@
+From 3fc1fdda0068981340cc7ae136173731275e2c5e Mon Sep 17 00:00:00 2001
+From: Hitendra Prajapati <hprajapati@...>
+Date: Thu, 18 Aug 2022 10:46:30 +0530
+Subject: [PATCH] CVE-2022-34526
+
+Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/275735d0354e39c0ac1dc3c0db2120d6f31d1990]
+CVE: CVE-2022-34526
+Signed-off-by: Hitendra Prajapati <hprajapati@...>
+---
+ libtiff/tif_dirinfo.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/libtiff/tif_dirinfo.c b/libtiff/tif_dirinfo.c
+index 8565dfb..0f722a5 100644
+--- a/libtiff/tif_dirinfo.c
++++ b/libtiff/tif_dirinfo.c
+@@ -1157,6 +1157,9 @@ _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
+ default:
+ return 1;
+ }
++ if( !TIFFIsCODECConfigured(tif->tif_dir.td_compression) ) {
++ return 0;
++ }
+ /* Check if codec specific tags are allowed for the current
+ * compression scheme (codec) */
+ switch (tif->tif_dir.td_compression) {
+--
+2.25.1
+
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb b/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb
index 149516508f..b5ccd859f3 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb
@@ -21,6 +21,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
file://0001-fix-the-FPE-in-tiffcrop-415-427-and-428.patch \
file://CVE-2022-1354.patch \
file://CVE-2022-1355.patch \
+ file://CVE-2022-34526.patch \
"

SRC_URI[sha256sum] = "0e46e5acb087ce7d1ac53cf4f56a09b221537fc86dfc5daaad1c2e89e1b37ac8"
--
2.25.1