Sigurnosni nedostaci programskog paketa binutils

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Red Hat Security Advisory

Synopsis: Moderate: binutils security, bug fix, and enhancement update
Advisory ID: RHSA-2015:2079-09
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-2079.html
Issue date: 2015-11-19
CVE Names: CVE-2014-8484 CVE-2014-8485 CVE-2014-8501
CVE-2014-8502 CVE-2014-8503 CVE-2014-8504
CVE-2014-8737 CVE-2014-8738
=====================================================================

1. Summary:

Updated binutils packages that fix multiple security issues, several bugs,
and add various enhancements are now available for Red Hat Enterprise
Linux 7.

Red Hat Product Security has rated this update as having Moderate security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links 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) – aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64

3. Description:

The binutils packages provide a set of binary utilities.

Multiple buffer overflow flaws were found in the libbdf library used by
various binutils utilities. If a user were tricked into processing a
specially crafted file with an application using the libbdf library, it
could cause the application to crash or, potentially, execute arbitrary
code. (CVE-2014-8485, CVE-2014-8501, CVE-2014-8502, CVE-2014-8503,
CVE-2014-8504, CVE-2014-8738)

An integer overflow flaw was found in the libbdf library used by various
binutils utilities. If a user were tricked into processing a specially
crafted file with an application using the libbdf library, it could cause
the application to crash. (CVE-2014-8484)

A directory traversal flaw was found in the strip and objcopy utilities.
A specially crafted file could cause strip or objdump to overwrite an
arbitrary file writable by the user running either of these utilities.
(CVE-2014-8737)

This update fixes the following bugs:

* Binary files started by the system loader could lack the Relocation
Read-Only (RELRO) protection even though it was explicitly requested when
the application was built. This bug has been fixed on multiple
architectures. Applications and all dependent object files, archives, and
libraries built with an alpha or beta version of binutils should be rebuilt
to correct this defect. (BZ#1200138, BZ#1175624)

* The ld linker on 64-bit PowerPC now correctly checks the output format
when asked to produce a binary in another format than PowerPC. (BZ#1226864)

* An important variable that holds the symbol table for the binary being
debugged has been made persistent, and the objdump utility on 64-bit
PowerPC is now able to access the needed information without reading an
invalid memory region. (BZ#1172766)

* Undesirable runtime relocations described in RHBA-2015:0974. (BZ#872148)

The update adds these enhancements:

* New hardware instructions of the IBM z Systems z13 are now supported by
assembler, disassembler, and linker, as well as Single Instruction,
Multiple Data (SIMD) instructions. (BZ#1182153)

* Expressions of the form: “FUNC@localentry” to refer to the local entry
point for the FUNC function (if defined) are now supported by the PowerPC
assembler. These are required by the ELFv2 ABI on the little-endian variant
of IBM Power Systems. (BZ#1194164)

All binutils users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues and add these
enhancements.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

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

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

1156272 – CVE-2014-8484 binutils: invalid read flaw in libbfd
1157276 – CVE-2014-8485 binutils: lack of range checking leading to controlled write in _bfd_elf_setup_sections()
1162570 – CVE-2014-8501 binutils: out-of-bounds write when parsing specially crafted PE executable
1162594 – CVE-2014-8502 binutils: heap overflow in objdump when parsing a crafted ELF/PE binary file (incomplete fix for CVE-2014-8485)
1162607 – CVE-2014-8503 binutils: stack overflow in objdump when parsing specially crafted ihex file
1162621 – CVE-2014-8504 binutils: stack overflow in the SREC parser
1162655 – CVE-2014-8737 binutils: directory traversal vulnerability
1162666 – CVE-2014-8738 binutils: out of bounds memory write
1172766 – ppc64: segv in libbfd
1200138 – binutils: ld sporadically generates binaries without relro protection even when told so
1203603 – The binutils package contains the windmc(1) manual page but the utility is not included
1238783 – [aarch64][binutils] relocation truncated to fit: R_AARCH64_LD64_GOT_LO12_NC against

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
binutils-2.23.52.0.1-55.el7.src.rpm

x86_64:
binutils-2.23.52.0.1-55.el7.x86_64.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.x86_64.rpm

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

x86_64:
binutils-debuginfo-2.23.52.0.1-55.el7.i686.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.x86_64.rpm
binutils-devel-2.23.52.0.1-55.el7.i686.rpm
binutils-devel-2.23.52.0.1-55.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
binutils-2.23.52.0.1-55.el7.src.rpm

x86_64:
binutils-2.23.52.0.1-55.el7.x86_64.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.x86_64.rpm

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

x86_64:
binutils-debuginfo-2.23.52.0.1-55.el7.i686.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.x86_64.rpm
binutils-devel-2.23.52.0.1-55.el7.i686.rpm
binutils-devel-2.23.52.0.1-55.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
binutils-2.23.52.0.1-55.el7.src.rpm

aarch64:
binutils-2.23.52.0.1-55.el7.aarch64.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.aarch64.rpm
binutils-devel-2.23.52.0.1-55.el7.aarch64.rpm

ppc64:
binutils-2.23.52.0.1-55.el7.ppc64.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.ppc.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.ppc64.rpm
binutils-devel-2.23.52.0.1-55.el7.ppc.rpm
binutils-devel-2.23.52.0.1-55.el7.ppc64.rpm

ppc64le:
binutils-2.23.52.0.1-55.el7.ppc64le.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.ppc64le.rpm
binutils-devel-2.23.52.0.1-55.el7.ppc64le.rpm

s390x:
binutils-2.23.52.0.1-55.el7.s390x.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.s390.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.s390x.rpm
binutils-devel-2.23.52.0.1-55.el7.s390.rpm
binutils-devel-2.23.52.0.1-55.el7.s390x.rpm

x86_64:
binutils-2.23.52.0.1-55.el7.x86_64.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.i686.rpm
binutils-debuginfo-2.23.52.0.1-55.el7.x86_64.rpm
binutils-devel-2.23.52.0.1-55.el7.i686.rpm
binutils-devel-2.23.52.0.1-55.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
binutils-2.23.52.0.1-55.el7.src.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-2014-8484
https://access.redhat.com/security/cve/CVE-2014-8485
https://access.redhat.com/security/cve/CVE-2014-8501
https://access.redhat.com/security/cve/CVE-2014-8502
https://access.redhat.com/security/cve/CVE-2014-8503
https://access.redhat.com/security/cve/CVE-2014-8504
https://access.redhat.com/security/cve/CVE-2014-8737
https://access.redhat.com/security/cve/CVE-2014-8738
https://access.redhat.com/security/updates/classification/#moderate
https://rhn.redhat.com/errata/RHBA-2015-0974.html

8. Contact:

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

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