7.5 - RHSA-2019:2197

Problem Description:

An update for elfutils 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) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

The elfutils packages contain a number of utility programs and libraries related to the creation and maintenance of executable code.

The following packages have been upgraded to a later upstream version: elfutils (0.176). (BZ#1676504)

Security Fix(es):

* elfutils: Heap-based buffer over-read in libdw/dwarf_getaranges.c:dwarf_getaranges() via crafted file (CVE-2018-16062)

* elfutils: Double-free due to double decompression of sections in crafted ELF causes crash (CVE-2018-16402)

* elfutils: Heap-based buffer over-read in libdw/dwarf_getabbrev.c and libwd/dwarf_hasattr.c causes crash (CVE-2018-16403)

* elfutils: invalid memory address dereference was discovered in dwfl_segment_report_module.c in libdwfl (CVE-2018-18310)

* elfutils: eu-size cannot handle recursive ar files (CVE-2018-18520)

* elfutils: Divide-by-zero in arlib_add_symbols function in arlib.c (CVE-2018-18521)

* elfutils: heap-based buffer over-read in read_srclines in dwarf_getsrclines.c in libdw (CVE-2019-7149)

* elfutils: segmentation fault in elf64_xlatetom in libelf/elf32_xlatetom.c (CVE-2019-7150)

* elfutils: Out of bound write in elf_cvt_note in libelf/note_xlate.h (CVE-2019-7664)

* elfutils: heap-based buffer over-read in function elf32_xlatetom in elf32_xlatetom.c (CVE-2019-7665)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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 7.7 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/):

1623752 - CVE-2018-16062 elfutils: Heap-based buffer over-read in libdw/dwarf_getaranges.c:dwarf_getaranges() via crafted file 1625050 - CVE-2018-16402 elfutils: Double-free due to double decompression of sections in crafted ELF causes crash 1625055 - CVE-2018-16403 elfutils: Heap-based buffer over-read in libdw/dwarf_getabbrev.c and libwd/dwarf_hasattr.c causes crash 1642604 - CVE-2018-18310 elfutils: invalid memory address dereference was discovered in dwfl_segment_report_module.c in libdwfl 1646477 - CVE-2018-18520 elfutils: eu-size cannot handle recursive ar files 1646482 - CVE-2018-18521 elfutils: Divide-by-zero in arlib_add_symbols function in arlib.c 1671443 - CVE-2019-7149 elfutils: heap-based buffer over-read in read_srclines in dwarf_getsrclines.c in libdw 1671446 - CVE-2019-7150 elfutils: segmentation fault in elf64_xlatetom in libelf/elf32_xlatetom.c 1677536 - CVE-2019-7664 elfutils: Out of bound write in elf_cvt_note in libelf/note_xlate.h 1677538 - CVE-2019-7665 elfutils: heap-based buffer over-read in function elf32_xlatetom in elf32_xlatetom.c 1704754 - elfutils xlate (cross-endian) functions might not convert an ELF Note header