1 files changed, 42 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-extended/shadow/shadow/CVE-2023-29383_1.patch b/meta-openbmc-mods/meta-common/recipes-extended/shadow/shadow/CVE-2023-29383_1.patch
new file mode 100644
index 000000000..37be3f907
--- /dev/null
+++ b/meta-openbmc-mods/meta-common/recipes-extended/shadow/shadow/CVE-2023-29383_1.patch
@@ -0,0 +1,42 @@
+From e5905c4b84d4fb90aefcd96ee618411ebfac663d Mon Sep 17 00:00:00 2001
+From: tomspiderlabs <128755403+tomspiderlabs@users.noreply.github.com>
+Date: Thu, 23 Mar 2023 23:39:38 +0000
+Subject: [PATCH] Added control character check
+
+Added control character check, returning -1 (to "err") if control characters are present.
+---
+ lib/fields.c | 11 +++++++----
+ 1 file changed, 7 insertions(+), 4 deletions(-)
+
+diff --git a/lib/fields.c b/lib/fields.c
+index 640be931f..fb51b5829 100644
+--- a/lib/fields.c
++++ b/lib/fields.c
+@@ -21,9 +21,9 @@
+  *
+  * The supplied field is scanned for non-printable and other illegal
+  * characters.
+- *  + -1 is returned if an illegal character is present.
+- *  +  1 is returned if no illegal characters are present, but the field
+- *       contains a non-printable character.
++ *  + -1 is returned if an illegal or control character is present.
++ *  +  1 is returned if no illegal or control characters are present,
++ *       but the field contains a non-printable character.
+  *  +  0 is returned otherwise.
+  */
+ int valid_field (const char *field, const char *illegal)
+@@ -45,10 +45,13 @@ int valid_field (const char *field, const char *illegal)
+ 	}
+ 
+ 	if (0 == err) {
+-		/* Search if there are some non-printable characters */
++		/* Search if there are non-printable or control characters */
+ 		for (cp = field; '\0' != *cp; cp++) {
+ 			if (!isprint (*cp)) {
+ 				err = 1;
++			}
++			if (!iscntrl (*cp)) {
++				err = -1;
+ 				break;
+ 			}
+ 		}