sane-backends/CVE-2023-46047.patch

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From a617461c630da22f4bcc22c687f5a299b5630e2d Mon Sep 17 00:00:00 2001
From: Ralph Little <skelband@gmail.com>
Date: Mon, 2 Oct 2023 16:40:27 -0700
Subject: [PATCH] sanei_config: malformed line can return NULL for token. We
should check.
---
sanei/sanei_config.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/sanei/sanei_config.c b/sanei/sanei_config.c
index 07c85c964..45f380337 100644
--- a/sanei/sanei_config.c
+++ b/sanei/sanei_config.c
@@ -295,6 +295,12 @@ sanei_configure_attach (const char *config_file, SANEI_Config * config,
* So we parse the line 2 time to find an option */
/* check if it is an option */
lp = sanei_config_get_string (lp, &token);
+ if (NULL == token)
+ {
+ // Invalid format?
+ continue;
+ }
+
if (strncmp (token, "option", 6) == 0)
{
/* skip the "option" token */
--
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