Low: binutils security and bug fix update

Synopsis

Low: binutils security and bug fix update

Type/Severity

Security Advisory: Low

Topic

An update for binutils is now available for Red Hat Enterprise Linux 8.

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.

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: integer overflow leading to a SEGV in _bfd_dwarf2_find_nearest_line in dwarf2.c (CVE-2019-17451)
  
• binutils: Improper Input Validation, Signed/Unsigned Comparison, Out-of-bounds Read in gold/fileread.cc and elfcpp/elfcpp_file.h leads to denial of service (CVE-2019-1010204)
  

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 8.2 Release Notes linked from the References section.

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

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

• BZ - 1726637 - Request a backport of fixes for SVE Vector PCS on AArch64 (binutils part)
• BZ - 1730906 - ld -r fails to handle .init_array section in comdat group
• BZ - 1735604 - CVE-2019-1010204 binutils: Improper Input Validation, Signed/Unsigned Comparison, Out-of-bounds Read in gold/fileread.cc and elfcpp/elfcpp_file.h leads to denial of service
• BZ - 1767711 - Upstream test case "v3 gnu build attribute notes (64-bit)" failed
• BZ - 1771668 - CVE-2019-17451 binutils: integer overflow leading to a SEGV in _bfd_dwarf2_find_nearest_line in dwarf2.c
• BZ - 1777002 - Implement workaround in assembler for Intel's JCC errata [RHEL 8.2]

CVEs

• CVE-2019-17451
• CVE-2019-1010204

References

• https://access.redhat.com/security/updates/classification/#low
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index