diff options
Diffstat (limited to 'meta-oe/recipes-connectivity/samba/samba/samba-3.6.16-CVE-2013-4124.patch')
| -rw-r--r-- | meta-oe/recipes-connectivity/samba/samba/samba-3.6.16-CVE-2013-4124.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-oe/recipes-connectivity/samba/samba/samba-3.6.16-CVE-2013-4124.patch b/meta-oe/recipes-connectivity/samba/samba/samba-3.6.16-CVE-2013-4124.patch new file mode 100644 index 0000000000..54b8edfbe6 --- /dev/null +++ b/meta-oe/recipes-connectivity/samba/samba/samba-3.6.16-CVE-2013-4124.patch @@ -0,0 +1,43 @@ +Upstream-Status: Backport + +From efdbcabbe97a594572d71d714d258a5854c5d8ce Mon Sep 17 00:00:00 2001 +From: Jeremy Allison <jra@samba.org> +Date: Wed, 10 Jul 2013 17:10:17 -0700 +Subject: [PATCH] Fix bug #10010 - Missing integer wrap protection in EA list + reading can cause server to loop with DOS. + +Ensure we never wrap whilst adding client provided input. +CVE-2013-4124 + +Signed-off-by: Jeremy Allison <jra@samba.org> +--- + source3/smbd/nttrans.c | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c +index ea9d417..5fc3a09 100644 +--- a/source3/smbd/nttrans.c ++++ b/source3/smbd/nttrans.c +@@ -989,7 +989,19 @@ struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t + if (next_offset == 0) { + break; + } ++ ++ /* Integer wrap protection for the increment. */ ++ if (offset + next_offset < offset) { ++ break; ++ } ++ + offset += next_offset; ++ ++ /* Integer wrap protection for while loop. */ ++ if (offset + 4 < offset) { ++ break; ++ } ++ + } + + return ea_list_head; +-- +1.7.10.4 + |