File libapr1-CVE-2023-49582.patch of Package libapr1.35808

Index: apr-1.5.1/shmem/unix/shm.c
===================================================================
--- apr-1.5.1.orig/shmem/unix/shm.c
+++ apr-1.5.1/shmem/unix/shm.c
@@ -287,10 +287,9 @@ APR_DECLARE(apr_status_t) apr_shm_create
         status = APR_SUCCESS;
     
 #if APR_USE_SHMEM_MMAP_TMP
-        /* FIXME: Is APR_OS_DEFAULT sufficient? */
-        status = apr_file_open(&file, filename, 
-                               APR_READ | APR_WRITE | APR_CREATE | APR_EXCL,
-                               APR_OS_DEFAULT, pool);
+        status = apr_file_open(&file, filename,
+                               APR_FOPEN_READ | APR_FOPEN_WRITE | APR_FOPEN_CREATE | APR_FOPEN_EXCL,
+                               APR_FPROT_UREAD | APR_FPROT_UWRITE, pool);
         if (status != APR_SUCCESS) {
             return status;
         }
@@ -319,8 +318,7 @@ APR_DECLARE(apr_status_t) apr_shm_create
         }
 #endif /* APR_USE_SHMEM_MMAP_TMP */
 #if APR_USE_SHMEM_MMAP_SHM
-        /* FIXME: SysV uses 0600... should we? */
-        tmpfd = shm_open(shm_name, O_RDWR | O_CREAT | O_EXCL, 0644);
+        tmpfd = shm_open(shm_name, O_RDWR | O_CREAT | O_EXCL, 0600);
         if (tmpfd == -1) {
             return errno;
         }
@@ -361,10 +359,9 @@ APR_DECLARE(apr_status_t) apr_shm_create
 #elif APR_USE_SHMEM_SHMGET
         new_m->realsize = reqsize;
 
-        /* FIXME: APR_OS_DEFAULT is too permissive, switch to 600 I think. */
-        status = apr_file_open(&file, filename, 
+        status = apr_file_open(&file, filename,
                                APR_FOPEN_WRITE | APR_FOPEN_CREATE | APR_FOPEN_EXCL,
-                               APR_OS_DEFAULT, pool);
+                               APR_FPROT_UREAD | APR_FPROT_UWRITE, pool);
         if (status != APR_SUCCESS) {
             return status;
         }
@@ -545,8 +542,7 @@ APR_DECLARE(apr_status_t) apr_shm_attach
 #if APR_USE_SHMEM_MMAP_SHM
         const char *shm_name = make_shm_open_safe_name(filename, pool);
 
-        /* FIXME: SysV uses 0600... should we? */
-        tmpfd = shm_open(shm_name, O_RDWR, 0644);
+        tmpfd = shm_open(shm_name, O_RDWR, 0600);
         if (tmpfd == -1) {
             return errno;
         }