ghostscript: fix CVE-2024-29506

(From OE-Core rev: 68a6482244532e61bc467e1ef23661260bac8572)

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

2 files changed, 46 insertions, 0 deletions

diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2024-29506.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2024-29506.patch
new file mode 100644
index 0000000000..9f3f3e5da2
--- /dev/null
+++ b/meta/recipes-extended/ghostscript/ghostscript/CVE-2024-29506.patch
@@ -0,0 +1,45 @@
+From 77dc7f699beba606937b7ea23b50cf5974fa64b1 Mon Sep 17 00:00:00 2001
+From: Ken Sharp <Ken.Sharp@artifex.com>
+Date: Thu, 25 Jan 2024 11:55:49 +0000
+Subject: [PATCH] Bug 707510 - don't allow PDF files with bad Filters to
+ overflow the debug buffer
+
+Item #2 of the report.
+
+Allocate a buffer to hold the filter name, instead of assuming it will
+fit in a fixed buffer.
+
+Reviewed all the other PDFDEBUG cases, no others use a fixed buffer like
+this.
+
+CVE: CVE-2024-29506
+
+Upstream-Status: Backport [https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=77dc7f699beba606937b7ea23b50cf5974fa64b1]
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ pdf/pdf_file.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/pdf/pdf_file.c b/pdf/pdf_file.c
+index 214d448..93c2402 100644
+--- a/pdf/pdf_file.c
++++ b/pdf/pdf_file.c
+@@ -767,10 +767,14 @@ static int pdfi_apply_filter(pdf_context *ctx, pdf_dict *dict, pdf_name *n, pdf_
+
+     if (ctx->args.pdfdebug)
+     {
+-        char str[100];
++       char *str;
++        str = gs_alloc_bytes(ctx->memory, n->length + 1, "temp string for debug");
++        if (str == NULL)
++            return_error(gs_error_VMerror);
+         memcpy(str, (const char *)n->data, n->length);
+         str[n->length] = '\0';
+         dmprintf1(ctx->memory, "FILTER NAME:%s\n", str);
++       gs_free_object(ctx->memory, str, "temp string for debug");
+     }
+
+     if (pdfi_name_is(n, "RunLengthDecode")) {
+--
+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 f738b0133f..525086e2af 100644
--- a/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb
+++ b/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb
@@ -53,6 +53,7 @@ SRC_URI_BASE = "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/d
                 file://CVE-2024-29511-0001.patch \
                 file://CVE-2024-29511-0002.patch \
                 file://CVE-2024-29509.patch \
+                file://CVE-2024-29506.patch \
 "
 
 SRC_URI = "${SRC_URI_BASE} \