diff options
Diffstat (limited to 'gnu/packages/patches/tar-CVE-2016-6321.patch')
| -rw-r--r-- | gnu/packages/patches/tar-CVE-2016-6321.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gnu/packages/patches/tar-CVE-2016-6321.patch b/gnu/packages/patches/tar-CVE-2016-6321.patch new file mode 100644 index 0000000000..b79be9bc94 --- /dev/null +++ b/gnu/packages/patches/tar-CVE-2016-6321.patch @@ -0,0 +1,51 @@ +Fix CVE-2016-6321: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6321 +https://security-tracker.debian.org/tracker/CVE-2016-6321 + +Patch adapted from upstream source repository (the changes to 'NEWS' +don't apply to the Tar 1.29 release tarball). + +http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d + +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(-) + +diff --git a/src/extract.c b/src/extract.c +index f982433..7904148 100644 +--- a/src/extract.c ++++ b/src/extract.c +@@ -1629,12 +1629,20 @@ extract_archive (void) + { + 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 + |