void-packages/srcpkgs/rsync/patches/CVE-2017-16548.patch

18 lines
766 B
Diff

X-Git-Url: https://git.samba.org/rsync.git/?p=rsync.git;a=blobdiff_plain;f=xattrs.c;h=4867e6f5b8ad2934d43b06f3b99b7b3690a6dc7a;hp=68305d7559b34f5cc2f196b74429b82fa6ff49dd;hb=47a63d90e71d3e19e0e96052bb8c6b9cb140ecc1;hpb=bc112b0e7feece62ce98708092306639a8a53cce
diff --git a/xattrs.c b/xattrs.c
index 68305d7..4867e6f 100644
--- xattrs.c
+++ xattrs.c
@@ -824,6 +824,10 @@ void receive_xattr(int f, struct file_struct *file)
out_of_memory("receive_xattr");
name = ptr + dget_len + extra_len;
read_buf(f, name, name_len);
+ if (name_len < 1 || name[name_len-1] != '\0') {
+ rprintf(FERROR, "Invalid xattr name received (missing trailing \\0).\n");
+ exit_cleanup(RERR_FILEIO);
+ }
if (dget_len == datum_len)
read_buf(f, ptr, dget_len);
else {