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Vulnerability of Perl Core: integer overflow via Perl_my_setenv

Synthesis of the vulnerability 

An attacker can generate an integer overflow via Perl_my_setenv() of Perl Core, in order to trigger a denial of service, and possibly to run code.
Impacted software: Mac OS X, Debian, Fedora, Kubernetes, McAfee Web Gateway, Snap Creator Framework, OpenBSD, openSUSE Leap, Oracle Communications, Oracle DB, Solaris, WebLogic, Perl Core, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 30/11/2018.
Références of this announce: 133204, bulletinjan2019, cpujul2019, cpujul2020, CVE-2018-18311, DLA-1601-1, DSA-4347-1, FEDORA-2018-9dbe983805, FEDORA-2018-ca03363d57, HT209600, NTAP-20190221-0003, openSUSE-SU-2018:4258-1, RHSA-2019:0001-01, RHSA-2019:0010-01, RHSA-2019:0109-01, RHSA-2019:1790-01, RHSA-2019:1942-01, RHSA-2019:2400-01, SB10276, SB10278, SUSE-SU-2018:4187-1, SUSE-SU-2019:2264-1, USN-3834-1, USN-3834-2, VIGILANCE-VUL-27916.

Description of the vulnerability 

An attacker can generate an integer overflow via Perl_my_setenv() of Perl Core, in order to trigger a denial of service, and possibly to run code.
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This cybersecurity vulnerability impacts software or systems such as Mac OS X, Debian, Fedora, Kubernetes, McAfee Web Gateway, Snap Creator Framework, OpenBSD, openSUSE Leap, Oracle Communications, Oracle DB, Solaris, WebLogic, Perl Core, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability is medium.

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 alert.

Solutions for this threat 

Perl Core: version 5.28.1.
The version 5.28.1 is fixed:
  https://www.perl.org/

Perl Core: version 5.26.3.
The version 5.26.3 is fixed:
  https://www.perl.org/

Apple macOS: versions 10.12.6-2019-002, 10.13.6-2019-002 and 10.14.4.
Versions 10.12.6-2019-002, 10.13.6-2019-002 and 10.14.4 are fixed:
  https://support.apple.com/

Debian 8: new perl packages.
New packages are available:
  Debian 8: perl 5.20.2-3+deb8u12

Debian 9: new perl packages.
New packages are available:
  Debian 9: perl 5.24.1-3+deb9u5

Fedora: new perl packages.
New packages are available:
  Fedora 28: perl 5.26.3-415.fc28
  Fedora 29: perl 5.28.1-425.fc29

Kubernetes: version 1.12.10.
The version 1.12.10 is fixed:
  https://github.com/kubernetes/kubernetes/releases/tag/v1.12.10

Kubernetes: version 1.13.8.
The version 1.13.8 is fixed:
  https://github.com/kubernetes/kubernetes/releases/tag/v1.13.8

Kubernetes: version 1.14.4.
The version 1.14.4 is fixed:
  https://github.com/kubernetes/kubernetes/releases/tag/v1.14.4

McAfee Web Gateway: fixed versions for OSS Software.
Fixed versions are indicated in information sources.

McAfee Web Gateway: patch for Third Party.
A patch is indicated in information sources.

OpenBSD: patch for Perl.
A patch is available:
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/024_perl.patch.sig
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/005_perl.patch.sig

openSUSE Leap 15.0: new perl packages.
New packages are available:
  openSUSE Leap 15.0: perl 5.26.1-lp150.6.6.1

Oracle Communications: CPU of July 2019.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2559239.1
  https://support.oracle.com/rs?type=doc&id=2563691.1
  https://support.oracle.com/rs?type=doc&id=2559240.1
  https://support.oracle.com/rs?type=doc&id=2559722.1
  https://support.oracle.com/rs?type=doc&id=2559225.1
  https://support.oracle.com/rs?type=doc&id=2559721.1
  https://support.oracle.com/rs?type=doc&id=2559256.1
  https://support.oracle.com/rs?type=doc&id=2559242.1
  https://support.oracle.com/rs?type=doc&id=2559243.1
  https://support.oracle.com/rs?type=doc&id=2559648.1

Oracle Database: CPU of July 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2664876.1

Oracle Solaris: patch for third party software of January 2019 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 7.3: new perl packages.
New packages are available:
  RHEL 7: perl 5.16.3-291.el7_3.1

RHEL 7.4: new perl packages.
New packages are available:
  RHEL 7: perl 5.16.3-292.el7_4.1

RHEL 7.5: new perl packages.
New packages are available:
  RHEL 7: perl 5.16.3-292.el7_5.1

RHEL 7.6: new perl packages.
New packages are available:
  RHEL 7: perl 5.16.3-294.el7_6

RHEL 7: new rh-perl526-perl packages.
New packages are available:
  RHEL 7: rh-perl526-perl 5.26.3-405.el7

RHEL: new rh-perl524-perl packages.
New packages are available:
  RHEL 6: rh-perl524-perl 5.24.0-381.el6
  RHEL 7: rh-perl524-perl 5.24.0-381.el7

SUSE LE 12: new perl packages.
New packages are available:
  SUSE LE 12 SP1: perl 5.18.2-12.20.1
  SUSE LE 12 SP2: perl 5.18.2-12.20.1
  SUSE LE 12 SP3: perl 5.18.2-12.20.1
  SUSE LE 12 SP4: perl 5.18.2-12.20.1
  SUSE LE 12 SP5: perl 5.18.2-12.20.1

SUSE LE 15: new perl packages.
New packages are available:
  SUSE LE 15 RTM: perl 5.26.1-7.6.1

Ubuntu: new perl packages.
New packages are available:
  Ubuntu 18.10: perl 5.26.2-7ubuntu0.1
  Ubuntu 18.04 LTS: perl 5.26.1-6ubuntu0.3
  Ubuntu 16.04 LTS: perl 5.22.1-9ubuntu0.6
  Ubuntu 14.04 LTS: perl 5.18.2-2ubuntu1.7
  Ubuntu 12.04 ESM: perl 5.14.2-6ubuntu2.9
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