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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Low: binutils security, bug fix, and enhancement update
Advisory ID:       RHSA-2018:3032-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3032
Issue date:        2018-10-30
CVE Names:         CVE-2018-7208 CVE-2018-7568 CVE-2018-7569 
                   CVE-2018-7642 CVE-2018-7643 CVE-2018-8945 
                   CVE-2018-10372 CVE-2018-10373 CVE-2018-10534 
                   CVE-2018-10535 CVE-2018-13033 
=====================================================================

1. Summary:

An update for binutils is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Low. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x

3. Description:

The binutils packages provide a collection of binary utilities for the
manipulation of object code in various object file formats. It includes the
ar, as, gprof, ld, nm, objcopy, objdump, ranlib, readelf, size, strings,
strip, and addr2line utilities.

Security Fix(es):

* binutils: Improper bounds check in coffgen.c:coff_pointerize_aux() allows
for denial of service when parsing a crafted COFF file (CVE-2018-7208)

* binutils: integer overflow via an ELF file with corrupt dwarf1 debug
information in libbfd library (CVE-2018-7568)

* binutils: integer underflow or overflow via an ELF file with a corrupt
DWARF FORM block in libbfd library (CVE-2018-7569)

* binutils: NULL pointer dereference in swap_std_reloc_in function in
aoutx.h resulting in crash (CVE-2018-7642)

* binutils: Integer overflow in the display_debug_ranges function resulting
in crash (CVE-2018-7643)

* binutils: Crash in elf.c:bfd_section_from_shdr() with crafted executable
(CVE-2018-8945)

* binutils: Heap-base buffer over-read in dwarf.c:process_cu_tu_index()
allows for denial of service via crafted file (CVE-2018-10372)

* binutils: NULL pointer dereference in dwarf2.c:concat_filename() allows
for denial of service via crafted file (CVE-2018-10373)

* binutils: out of bounds memory write in peXXigen.c files (CVE-2018-10534)

* binutils: NULL pointer dereference in elf.c (CVE-2018-10535)

* binutils: Uncontrolled Resource Consumption in execution of nm
(CVE-2018-13033)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.6 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1439351 - [LLNL 7.5 FEAT] RFE create an option to permanently link in audit library into an executable (binutils)
1546622 - CVE-2018-7208 binutils: Improper bounds check in coffgen.c:coff_pointerize_aux() allows for denial of service when parsing a crafted COFF file
1551771 - CVE-2018-7568 binutils: integer overflow via an ELF file with corrupt dwarf1 debug information in libbfd library
1551778 - CVE-2018-7569 binutils: integer underflow or overflow via an ELF file with a corrupt DWARF FORM block in libbfd library
1553115 - CVE-2018-7642 binutils: NULL pointer dereference in swap_std_reloc_in function in aoutx.h resulting in crash
1553119 - CVE-2018-7643 binutils: Integer overflow in the display_debug_ranges function resulting in crash
1553842 - Unresolvable `R_X86_64_NONE` relocation
1557346 - collect2: error: ld terminated with signal 11 [Segmentation fault], core dumped
1560827 - CVE-2018-8945 binutils: Crash in elf.c:bfd_section_from_shdr() with crafted executable
1573356 - CVE-2018-10372 binutils: Heap-base buffer over-read in dwarf.c:process_cu_tu_index() allows for denial of service via crafted file
1573365 - CVE-2018-10373 binutils: NULL pointer dereference in dwarf2.c:concat_filename() allows for denial of service via crafted file
1573872 - ld should allow "lea foo@GOT, %ecx"
1574696 - CVE-2018-10534 binutils: out of bounds memory write in peXXigen.c files
1574697 - CVE-2018-10535 binutils: NULL pointer dereference in elf.c
1597436 - CVE-2018-13033 binutils: Uncontrolled Resource Consumption in execution of nm

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
binutils-2.27-34.base.el7.src.rpm

x86_64:
binutils-2.27-34.base.el7.x86_64.rpm
binutils-debuginfo-2.27-34.base.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
binutils-debuginfo-2.27-34.base.el7.i686.rpm
binutils-debuginfo-2.27-34.base.el7.x86_64.rpm
binutils-devel-2.27-34.base.el7.i686.rpm
binutils-devel-2.27-34.base.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
binutils-2.27-34.base.el7.src.rpm

x86_64:
binutils-2.27-34.base.el7.x86_64.rpm
binutils-debuginfo-2.27-34.base.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
binutils-debuginfo-2.27-34.base.el7.i686.rpm
binutils-debuginfo-2.27-34.base.el7.x86_64.rpm
binutils-devel-2.27-34.base.el7.i686.rpm
binutils-devel-2.27-34.base.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
binutils-2.27-34.base.el7.src.rpm

ppc64:
binutils-2.27-34.base.el7.ppc64.rpm
binutils-debuginfo-2.27-34.base.el7.ppc.rpm
binutils-debuginfo-2.27-34.base.el7.ppc64.rpm
binutils-devel-2.27-34.base.el7.ppc.rpm
binutils-devel-2.27-34.base.el7.ppc64.rpm

ppc64le:
binutils-2.27-34.base.el7.ppc64le.rpm
binutils-debuginfo-2.27-34.base.el7.ppc64le.rpm
binutils-devel-2.27-34.base.el7.ppc64le.rpm

s390x:
binutils-2.27-34.base.el7.s390x.rpm
binutils-debuginfo-2.27-34.base.el7.s390.rpm
binutils-debuginfo-2.27-34.base.el7.s390x.rpm
binutils-devel-2.27-34.base.el7.s390.rpm
binutils-devel-2.27-34.base.el7.s390x.rpm

x86_64:
binutils-2.27-34.base.el7.x86_64.rpm
binutils-debuginfo-2.27-34.base.el7.i686.rpm
binutils-debuginfo-2.27-34.base.el7.x86_64.rpm
binutils-devel-2.27-34.base.el7.i686.rpm
binutils-devel-2.27-34.base.el7.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
binutils-2.27-34.base.el7.src.rpm

aarch64:
binutils-2.27-34.base.el7.aarch64.rpm
binutils-debuginfo-2.27-34.base.el7.aarch64.rpm
binutils-devel-2.27-34.base.el7.aarch64.rpm

ppc64le:
binutils-2.27-34.base.el7.ppc64le.rpm
binutils-debuginfo-2.27-34.base.el7.ppc64le.rpm
binutils-devel-2.27-34.base.el7.ppc64le.rpm

s390x:
binutils-2.27-34.base.el7.s390x.rpm
binutils-debuginfo-2.27-34.base.el7.s390.rpm
binutils-debuginfo-2.27-34.base.el7.s390x.rpm
binutils-devel-2.27-34.base.el7.s390.rpm
binutils-devel-2.27-34.base.el7.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
binutils-2.27-34.base.el7.src.rpm

x86_64:
binutils-2.27-34.base.el7.x86_64.rpm
binutils-debuginfo-2.27-34.base.el7.i686.rpm
binutils-debuginfo-2.27-34.base.el7.x86_64.rpm
binutils-devel-2.27-34.base.el7.i686.rpm
binutils-devel-2.27-34.base.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-7208
https://access.redhat.com/security/cve/CVE-2018-7568
https://access.redhat.com/security/cve/CVE-2018-7569
https://access.redhat.com/security/cve/CVE-2018-7642
https://access.redhat.com/security/cve/CVE-2018-7643
https://access.redhat.com/security/cve/CVE-2018-8945
https://access.redhat.com/security/cve/CVE-2018-10372
https://access.redhat.com/security/cve/CVE-2018-10373
https://access.redhat.com/security/cve/CVE-2018-10534
https://access.redhat.com/security/cve/CVE-2018-10535
https://access.redhat.com/security/cve/CVE-2018-13033
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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