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cybersecurity bulletin CVE-2019-1000019

libarchive: out-of-bounds memory reading via 7zip header_bytes

Synthesis of the vulnerability

An attacker can force a read at an invalid address via 7zip header_bytes() of libarchive, in order to trigger a denial of service, or to obtain sensitive information.
Severity of this weakness: 2/4.
Creation date: 08/02/2019.
Références of this bulletin: CVE-2019-1000019, DLA-1668-1, FEDORA-2019-0233ec0ff3, FEDORA-2019-c595a93536, openSUSE-SU-2019:1196-1, openSUSE-SU-2019:2615-1, openSUSE-SU-2019:2632-1, RHSA-2019:2298-01, RHSA-2019:3698-01, SUSE-SU-2019:0831-1, SUSE-SU-2019:3092-1, SUSE-SU-2019:3093-1, USN-3884-1, VIGILANCE-VUL-28464.
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Description of the vulnerability

An attacker can force a read at an invalid address via 7zip header_bytes() of libarchive, in order to trigger a denial of service, or to obtain sensitive information.
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This cybersecurity weakness impacts software or systems such as Debian, Fedora, openSUSE Leap, Solaris, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

Solutions for this threat

Cloud Foundry: fixed versions for libarchive.
Fixed versions are indicated in information sources.

Debian 8: new libarchive packages.
New packages are available:
  Debian 8: libarchive 3.1.2-11+deb8u7

Fedora: new libarchive packages.
New packages are available:
  Fedora 28: libarchive 3.3.3-6.fc28
  Fedora 29: libarchive 3.3.3-6.fc29

openSUSE Leap 15.0: new libarchive packages.
New packages are available:
  openSUSE Leap 15.0: libarchive 3.3.2-lp150.7.1

openSUSE Leap 15: new libarchive packages.
New packages are available:
  openSUSE Leap 15.0: libarchive 3.3.2-lp150.10.1
  openSUSE Leap 15.1: libarchive 3.3.2-lp151.5.3.1

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

RHEL 7: new libarchive packages.
New packages are available:
  RHEL 7: libarchive 3.1.2-12.el7

RHEL 8: new libarchive packages.
New packages are available:
  RHEL 8: libarchive 3.3.2-7.el8

SUSE LE 12 SP4/5: new libarchive packages.
New packages are available:
  SUSE LE 12 SP4: libarchive 3.1.2-26.6.1
  SUSE LE 12 SP5: libarchive 3.1.2-26.6.1

SUSE LE 15: new libarchive packages (02/04/2019).
New packages are available:
  SUSE LE 15 RTM: libarchive 3.3.2-3.8.4

SUSE LE 15: new libarchive packages (29/11/2019).
New packages are available:
  SUSE LE 15 RTM: libarchive 3.3.2-3.11.1
  SUSE LE 15 SP1: libarchive 3.3.2-3.11.1

Ubuntu: new libarchive packages.
New packages are available:
  Ubuntu 18.10: libarchive13 3.2.2-5ubuntu0.2
  Ubuntu 18.04 LTS: libarchive13 3.2.2-3.1ubuntu0.3
  Ubuntu 16.04 LTS: libarchive13 3.1.2-11ubuntu0.16.04.6
  Ubuntu 14.04 LTS: libarchive13 3.1.2-7ubuntu2.8

Wind River Linux: solution (21/05/2019).
The solution is indicated in information sources.
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