diff options
Diffstat (limited to 'package/network/services/samba36/patches/012-patch-cve-2015-5299.patch')
-rw-r--r-- | package/network/services/samba36/patches/012-patch-cve-2015-5299.patch | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/package/network/services/samba36/patches/012-patch-cve-2015-5299.patch b/package/network/services/samba36/patches/012-patch-cve-2015-5299.patch deleted file mode 100644 index 7a569c7462..0000000000 --- a/package/network/services/samba36/patches/012-patch-cve-2015-5299.patch +++ /dev/null @@ -1,93 +0,0 @@ -From 8e49de7754f7171a58a1f94dee0f1138dbee3c60 Mon Sep 17 00:00:00 2001 -From: Jeremy Allison <jra@samba.org> -Date: Fri, 23 Oct 2015 14:54:31 -0700 -Subject: [PATCH] CVE-2015-5299: s3-shadow-copy2: fix missing access check on - snapdir - -Fix originally from <partha@exablox.com> - -https://bugzilla.samba.org/show_bug.cgi?id=11529 - -Signed-off-by: Jeremy Allison <jra@samba.org> -Reviewed-by: David Disseldorp <ddiss@samba.org> ---- - source3/modules/vfs_shadow_copy2.c | 47 ++++++++++++++++++++++++++++++++++++++ - 1 file changed, 47 insertions(+) - ---- a/source3/modules/vfs_shadow_copy2.c -+++ b/source3/modules/vfs_shadow_copy2.c -@@ -21,6 +21,8 @@ - - #include "includes.h" - #include "smbd/smbd.h" -+#include "smbd/globals.h" -+#include "../libcli/security/security.h" - #include "system/filesys.h" - #include "ntioctl.h" - -@@ -764,6 +766,43 @@ static int shadow_copy2_mkdir(vfs_handle - SHADOW2_NEXT(MKDIR, (handle, name, mode), int, -1); - } - -+static bool check_access_snapdir(struct vfs_handle_struct *handle, -+ const char *path) -+{ -+ struct smb_filename smb_fname; -+ int ret; -+ NTSTATUS status; -+ uint32_t access_granted = 0; -+ -+ ZERO_STRUCT(smb_fname); -+ smb_fname.base_name = talloc_asprintf(talloc_tos(), -+ "%s", -+ path); -+ if (smb_fname.base_name == NULL) { -+ return false; -+ } -+ -+ ret = SMB_VFS_NEXT_STAT(handle, &smb_fname); -+ if (ret != 0 || !S_ISDIR(smb_fname.st.st_ex_mode)) { -+ TALLOC_FREE(smb_fname.base_name); -+ return false; -+ } -+ -+ status = smbd_check_open_rights(handle->conn, -+ &smb_fname, -+ SEC_DIR_LIST, -+ &access_granted); -+ if (!NT_STATUS_IS_OK(status)) { -+ DEBUG(0,("user does not have list permission " -+ "on snapdir %s\n", -+ smb_fname.base_name)); -+ TALLOC_FREE(smb_fname.base_name); -+ return false; -+ } -+ TALLOC_FREE(smb_fname.base_name); -+ return true; -+} -+ - static int shadow_copy2_rmdir(vfs_handle_struct *handle, const char *fname) - { - SHADOW2_NEXT(RMDIR, (handle, name), int, -1); -@@ -877,6 +916,7 @@ static int shadow_copy2_get_shadow_copy2 - SMB_STRUCT_DIRENT *d; - TALLOC_CTX *tmp_ctx = talloc_new(handle->data); - char *snapshot; -+ bool ret; - - snapdir = shadow_copy2_find_snapdir(tmp_ctx, handle); - if (snapdir == NULL) { -@@ -886,6 +926,13 @@ static int shadow_copy2_get_shadow_copy2 - talloc_free(tmp_ctx); - return -1; - } -+ ret = check_access_snapdir(handle, snapdir); -+ if (!ret) { -+ DEBUG(0,("access denied on listing snapdir %s\n", snapdir)); -+ errno = EACCES; -+ talloc_free(tmp_ctx); -+ return -1; -+ } - - p = SMB_VFS_NEXT_OPENDIR(handle, snapdir, NULL, 0); - |