python3-pillow: Fix CVE-2024-28219

In _imagingcms.c in Pillow before 10.3.0, a buffer overflow exists because
strcpy is used instead of strncpy.

References:
https://nvd.nist.gov/vuln/detail/CVE-2024-28219
https://security-tracker.debian.org/tracker/CVE-2024-28219

Upstream patch:
https://github.com/python-pillow/Pillow/commit/2a93aba5cfcf6e241ab4f9392c13e3b74032c061

Signed-off-by: Soumya Sambu <soumya.sambu@windriver.com>
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>

2 files changed, 44 insertions, 0 deletions

diff --git a/meta-python/recipes-devtools/python/python3-pillow/CVE-2024-28219.patch b/meta-python/recipes-devtools/python/python3-pillow/CVE-2024-28219.patch
new file mode 100644
index 0000000000..3509b108eb
--- /dev/null
+++ b/meta-python/recipes-devtools/python/python3-pillow/CVE-2024-28219.patch
@@ -0,0 +1,43 @@
+From 2a93aba5cfcf6e241ab4f9392c13e3b74032c061 Mon Sep 17 00:00:00 2001
+From: Andrew Murray <radarhere@users.noreply.github.com>
+Date: Thu, 22 Feb 2024 18:56:26 +1100
+Subject: [PATCH] Use strncpy to avoid buffer overflow
+
+CVE: CVE-2024-28219
+
+Upstream-Status: Backport [https://github.com/python-pillow/Pillow/commit/2a93aba5cfcf6e241ab4f9392c13e3b74032c061]
+
+Signed-off-by: Soumya Sambu <soumya.sambu@windriver.com>
+---
+ src/_imagingcms.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/_imagingcms.c b/src/_imagingcms.c
+index 9b5a121d7..b839f09f0 100644
+--- a/src/_imagingcms.c
++++ b/src/_imagingcms.c
+@@ -201,8 +201,8 @@ cms_transform_new(cmsHTRANSFORM transform, char *mode_in, char *mode_out) {
+ 
+     self->transform = transform;
+ 
+-    strcpy(self->mode_in, mode_in);
+-    strcpy(self->mode_out, mode_out);
++    strncpy(self->mode_in, mode_in, 8);
++    strncpy(self->mode_out, mode_out, 8);
+ 
+     return (PyObject *)self;
+ }
+@@ -244,8 +244,8 @@ findLCMStype(char *PILmode) {
+     }
+ 
+     else {
+-        /* take a wild guess... but you probably should fail instead. */
+-        return TYPE_GRAY_8; /* so there's no buffer overrun... */
++        /* take a wild guess... */
++        return TYPE_GRAY_8;
+     }
+ }
+ 
+-- 
+2.40.0
+
diff --git a/meta-python/recipes-devtools/python/python3-pillow_9.4.0.bb b/meta-python/recipes-devtools/python/python3-pillow_9.4.0.bb
index e42e58be80..ffc2c00fb1 100644
--- a/meta-python/recipes-devtools/python/python3-pillow_9.4.0.bb
+++ b/meta-python/recipes-devtools/python/python3-pillow_9.4.0.bb
@@ -14,6 +14,7 @@ SRC_URI = "git://github.com/python-pillow/Pillow.git;branch=main;protocol=https
            file://CVE-2023-50447-2.patch \
            file://CVE-2023-50447-3.patch \
            file://CVE-2023-50447-4.patch \
+           file://CVE-2024-28219.patch \
            "
 SRCREV ?= "82541b6dec8452cb612067fcebba1c5a1a2bfdc8"