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Vulnerability of libbfd: NULL pointer dereference via swap_std_reloc_in

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via swap_std_reloc_in() of libbfd, in order to trigger a denial of service.
Impacted systems: openSUSE Leap, RHEL, SIMATIC, SUSE Linux Enterprise Desktop, SLES.
Severity of this alert: 1/4.
Creation date: 17/10/2018.
Références of this alert: CVE-2018-7642, openSUSE-SU-2018:3223-1, openSUSE-SU-2018:3323-1, openSUSE-SU-2019:2415-1, openSUSE-SU-2019:2432-1, RHSA-2018:3032-01, SSB-439005, SUSE-SU-2018:3170-1, SUSE-SU-2018:3170-2, SUSE-SU-2018:3207-1, VIGILANCE-VUL-27533.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via swap_std_reloc_in() of libbfd, in order to trigger a denial of service.
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This computer weakness note impacts software or systems such as openSUSE Leap, RHEL, SIMATIC, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this security bulletin is low.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this weakness announce.

Solutions for this threat 

openSUSE Leap 15.0: new binutils packages (23/10/2018).
New packages are available:
  openSUSE Leap 15.0: binutils 2.31-lp150.5.3.1

openSUSE Leap 15.0: new binutils packages (31/10/2019).
New packages are available:
  openSUSE Leap 15.0: binutils 2.32-lp150.10.1

openSUSE Leap 15.1: new binutils packages.
New packages are available:
  openSUSE Leap 15.1: binutils 2.32-lp151.3.3.1

openSUSE Leap 42.3: new binutils packages.
New packages are available:
  openSUSE Leap 42.3: binutils 2.31-19.1

RHEL 7: new binutils packages.
New packages are available:
  RHEL 7: binutils 2.27-34.base.el7

SIMATIC S7-1500 CPU 1518: workaround for GNU/Linux Vulnerabilities.
A workaround is indicated in the information source.

SUSE LE 12: new binutils packages.
New packages are available:
  SUSE LE 12 RTM: binutils 2.31-9.26.1
  SUSE LE 12 SP1: binutils 2.31-9.26.1
  SUSE LE 12 SP2: binutils 2.31-9.26.1
  SUSE LE 12 SP3: binutils 2.31-9.26.1

SUSE LE 15: new binutils packages (17/10/2018).
New packages are available:
  SUSE LE 15 RTM: binutils 2.31-6.3.1

SUSE LE 15: new binutils packages (29/10/2018).
New packages are available:
  SUSE LE 15 RTM: binutils 2.31-6.3.1
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

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