From 8e19c31a6103e1c4330a93d1f97dc92d6a09ab27 Mon Sep 17 00:00:00 2001 From: Alessio Sergi Date: Thu, 2 Feb 2017 14:45:32 +0100 Subject: [PATCH] libarchive: fix CVE-2017-5601 --- .../libarchive/patches/CVE-2017-5601.patch | 24 +++++++++++++++++++ srcpkgs/libarchive/template | 2 +- 2 files changed, 25 insertions(+), 1 deletion(-) create mode 100644 srcpkgs/libarchive/patches/CVE-2017-5601.patch diff --git a/srcpkgs/libarchive/patches/CVE-2017-5601.patch b/srcpkgs/libarchive/patches/CVE-2017-5601.patch new file mode 100644 index 00000000000..7232275da1b --- /dev/null +++ b/srcpkgs/libarchive/patches/CVE-2017-5601.patch @@ -0,0 +1,24 @@ +From 98dcbbf0bf4854bf987557e55e55fff7abbf3ea9 Mon Sep 17 00:00:00 2001 +From: Martin Matuska +Date: Thu, 19 Jan 2017 22:00:18 +0100 +Subject: [PATCH] Fail with negative lha->compsize in lha_read_file_header_1() + Fixes a heap buffer overflow reported in Secunia SA74169 + +--- + libarchive/archive_read_support_format_lha.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git libarchive/archive_read_support_format_lha.c.orig libarchive/archive_read_support_format_lha.c +index 52a5531..d77a7c2 100644 +--- libarchive/archive_read_support_format_lha.c.orig ++++ libarchive/archive_read_support_format_lha.c +@@ -924,6 +924,9 @@ lha_read_file_header_1(struct archive_read *a, struct lha *lha) + /* Get a real compressed file size. */ + lha->compsize -= extdsize - 2; + ++ if (lha->compsize < 0) ++ goto invalid; /* Invalid compressed file size */ ++ + if (sum_calculated != headersum) { + archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, + "LHa header sum error"); diff --git a/srcpkgs/libarchive/template b/srcpkgs/libarchive/template index cf2b27b8074..b9f68585367 100644 --- a/srcpkgs/libarchive/template +++ b/srcpkgs/libarchive/template @@ -1,7 +1,7 @@ # Template file for 'libarchive' pkgname=libarchive version=3.2.2 -revision=1 +revision=2 bootstrap=yes build_style=gnu-configure configure_args="$(vopt_enable acl) $(vopt_enable acl xattr)