[ubuntu/trusty-security] busybox 1:1.21.0-1ubuntu1.4 (Accepted)

Marc Deslauriers marc.deslauriers at canonical.com
Wed Apr 3 11:44:03 UTC 2019

busybox (1:1.21.0-1ubuntu1.4) trusty-security; urgency=medium

  * SECURITY UPDATE: directory traversal via tar symlink extraction
    - debian/patches/CVE-2011-5325-1.patch: postpone creation of symlinks
      with "suspicious" targets in archival/libarchive/data_extract_all.c,
      archival/tar.c, archival/tar_symlink_attack, include/bb_archive.h,
    - debian/patches/CVE-2011-5325-2.patch: do not extract unsafe symlinks
      unless env variable is set in archival/libarchive/Kbuild.src,
      archival/libarchive/unsafe_symlink_target.c, archival/tar.c,
      include/bb_archive.h, libbb/copy_file.c, testsuite/tar.tests.
    - debian/patches/CVE-2011-5325-3.patch: postpone creation of symlinks
      with "suspicious" targets in archival/libarchive/data_extract_all.c,
      archival/libarchive/unsafe_symlink_target.c, archival/tar.c,
      include/bb_archive.h, testsuite/tar.tests.
    - debian/patches/CVE-2011-5325-4.patch: extract "unsafe" symlinks
      the same way tar/unzip does in archival/cpio.c.
    - debian/patches/CVE-2011-5325-5.patch: fix symlink creation in
    - CVE-2011-5325
  * SECURITY UPDATE: kernel module loading restrictions bypass
    - debian/patches/CVE-2014-9645.patch: reject module names with slashes
      in modutils/modprobe.c.
    - CVE-2014-9645
  * SECURITY UPDATE: integer overflow in the DHCP client
    - debian/patches/CVE-2016-2147-1.patch: fix a SEGV on malformed
      RFC1035-encoded domain name in networking/udhcp/domain_codec.c.
    - debian/patches/CVE-2016-2147-2.patch: fix a warning in debug code in
    - CVE-2016-2147
  * SECURITY UPDATE: heap-based buffer overflow in the DHCP client
    - debian/patches/CVE-2016-2148.patch: fix OPTION_6RD parsing in
      networking/udhcp/common.c, networking/udhcp/dhcpc.c.
    - CVE-2016-2148
  * SECURITY UPDATE: integer overflow in get_next_block
    - debian/patches/CVE-2017-15873.patch: fix runCnt overflow in
    - CVE-2017-15873
  * SECURITY UPDATE: code execution in tab autocomplete feature
    - debian/patches/CVE-2017-16544.patch: check for control characters in
    - CVE-2017-16544
  * SECURITY UPDATE: DoS in unzip operations
    - debian/patches/CVE-2015-9261-1.patch: test for a bad archive in
      archival/libarchive/decompress_gunzip.c, added test in
    - debian/patches/CVE-2015-9261-2.patch: further fix decompression code
      in archival/libarchive/decompress_gunzip.c, testsuite/unzip.tests.
    - CVE-2015-9261
  * SECURITY UPDATE: buffer overflow in wget
    - debian/patches/CVE-2018-1000517.patch: check chunk length in
    - CVE-2018-1000517
  * SECURITY UPDATE: out-of-bounds read in udhcp
    - debian/patches/CVE-2018-20679.patch: check that 4-byte options are
      indeed 4-byte in networking/udhcp/common.*,
      networking/udhcp/dhcpc.c, networking/udhcp/dhcpd.c.
    - CVE-2018-20679
  * SECURITY UPDATE: incomplete fix for out-of-bounds read in udhcp
    - debian/patches/CVE-2019-5747.patch: when decoding DHCP_SUBNET, ensure
      it is 4 bytes long in networking/udhcp/common.*,
    - CVE-2019-5747

Date: 2019-03-27 16:54:12.871923+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
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