From 139943cc1183d96ebf9d8930a72fafb201a885e7 Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Thu, 20 Oct 2022 12:38:02 +0100 Subject: [PATCH] ITS#9937 libldap: fix put_simple_filter() with invalid filter Add check for trivial input string. --- libraries/libldap/filter.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libraries/libldap/filter.c b/libraries/libldap/filter.c index 064b2ea381..e158fd1fe3 100644 --- a/libraries/libldap/filter.c +++ b/libraries/libldap/filter.c @@ -555,6 +555,8 @@ put_simple_filter( Debug1( LDAP_DEBUG_TRACE, "put_simple_filter: \"%s\"\n", str ); + if ( str[0] == '=' ) return -1; + str = LDAP_STRDUP( str ); if( str == NULL ) return -1; -- 2.47.3