diff options
Diffstat (limited to 'app-arch/tar/files/tar-1.29-extract-pathname-bypass-upstream.patch')
| -rw-r--r-- | app-arch/tar/files/tar-1.29-extract-pathname-bypass-upstream.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/app-arch/tar/files/tar-1.29-extract-pathname-bypass-upstream.patch b/app-arch/tar/files/tar-1.29-extract-pathname-bypass-upstream.patch new file mode 100644 index 000000000000..2030ca6d2bdd --- /dev/null +++ b/app-arch/tar/files/tar-1.29-extract-pathname-bypass-upstream.patch @@ -0,0 +1,60 @@ +https://bugs.gentoo.org/598334 + +From 7340f67b9860ea0531c1450e5aa261c50f67165d Mon Sep 17 00:00:00 2001 +From: Paul Eggert <eggert@Penguin.CS.UCLA.EDU> +Date: Sat, 29 Oct 2016 21:04:40 -0700 +Subject: [PATCH] When extracting, skip ".." members + +* NEWS: Document this. +* src/extract.c (extract_archive): Skip members whose names +contain "..". +--- + NEWS | 8 +++++++- + src/extract.c | 8 ++++++++ + 2 files changed, 15 insertions(+), 1 deletion(-) + +--- a/NEWS ++++ b/NEWS +@@ -1,6 +1,16 @@ + GNU tar NEWS - User visible changes. 2016-05-16 + Please send GNU tar bug reports to <bug-tar@gnu.org> + ++ ++ ++version 1.29-r2+ Gentoo ++ ++* Member names containing '..' components are now skipped when extracting. ++ ++This fixes tar's behavior to match its documentation, and is a bit ++safer when extracting untrusted archives over old files (an unsafe ++practice that the tar manual has long recommended against). ++ + + version 1.29 - Sergey Poznyakoff, 2016-05-16 + +--- a/src/extract.c ++++ b/src/extract.c +@@ -1629,12 +1629,20 @@ + { + char typeflag; + tar_extractor_t fun; ++ bool skip_dotdot_name; + + fatal_exit_hook = extract_finish; + + set_next_block_after (current_header); + ++ skip_dotdot_name = (!absolute_names_option ++ && contains_dot_dot (current_stat_info.orig_file_name)); ++ if (skip_dotdot_name) ++ ERROR ((0, 0, _("%s: Member name contains '..'"), ++ quotearg_colon (current_stat_info.orig_file_name))); ++ + if (!current_stat_info.file_name[0] ++ || skip_dotdot_name + || (interactive_option + && !confirm ("extract", current_stat_info.file_name))) + { +-- +2.11.0.rc2 + |