ghostscript: fix CVE-2025-48708

gs_lib_ctx_stash_sanitized_arg in base/gslibctx.c in Artifex Ghostscript before 10.05.1
lacks argument sanitization for the # case. A created PDF document includes
its password in cleartext.

(From OE-Core rev: 7052a81e4f9b19b5640b414c10b19f8232d81572)

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

2 files changed, 47 insertions, 0 deletions

diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2025-48708.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2025-48708.patch
new file mode 100644
index 0000000000..5c8069a4ea
--- /dev/null
+++ b/meta/recipes-extended/ghostscript/ghostscript/CVE-2025-48708.patch
@@ -0,0 +1,46 @@
+From 5b5968c306b3e35cdeec83bb15026fd74a7334de Mon Sep 17 00:00:00 2001
+From: Ken Sharp <Ken.Sharp@artifex.com>
+Date: Sat, 12 Apr 2025 10:24:43 +0100
+Subject: [PATCH] Argument sanitisation - handle '#' as per '='
+
+Bug 708446
+
+CVE: CVE-2025-48708
+
+Upstream-Status: Backport [https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=5b5968c306b3e35cdeec83bb15026fd74a7334de]
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ base/gslibctx.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/base/gslibctx.c b/base/gslibctx.c
+index 2cf5c9dda..40ff984f9 100644
+--- a/base/gslibctx.c
++++ b/base/gslibctx.c
+@@ -1225,9 +1225,9 @@ gs_lib_ctx_stash_sanitized_arg(gs_lib_ctx_t *ctx, const char *arg)
+         case '-': /* Need to check for permitted file lists */
+             /* By default, we want to keep the key, but lose the value */
+             p = arg+2;
+-            while (*p && *p != '=')
++            while (*p && *p != '=' && *p != '#')
+                 p++;
+-            if (*p == '=')
++            if (*p == '=' || *p == '#')
+                 p++;
+             if (*p == 0)
+                 break; /* No value to elide */
+@@ -1269,9 +1269,9 @@ gs_lib_ctx_stash_sanitized_arg(gs_lib_ctx_t *ctx, const char *arg)
+         case 'S':
+             /* By default, we want to keep the key, but lose the value */
+             p = arg+2;
+-            while (*p && *p != '=')
++            while (*p && *p != '=' && *p != '#')
+                 p++;
+-            if (*p == '=')
++            if (*p == '=' || *p == '#')
+                 p++;
+             if (*p == 0)
+                 break; /* No value to elide */
+--
+2.40.0
diff --git a/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb b/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb
index e872fbe88c..3b50ac1409 100644
--- a/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb
+++ b/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb
@@ -73,6 +73,7 @@ SRC_URI_BASE = "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/d
                 file://CVE-2025-27835.patch \
                 file://CVE-2025-27836-1.patch \
                 file://CVE-2025-27836-2.patch \
+                file://CVE-2025-48708.patch \
 "
 
 SRC_URI = "${SRC_URI_BASE} \