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Vulnerability of tar: infinite loop via Sparse

Synthesis of the vulnerability 

An attacker can trigger an infinite loop via Sparse of tar, in order to trigger a denial of service.
Vulnerable products: Debian, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 2/4.
Creation date: 31/12/2018.
Références of this bulletin: bulletinjan2019, CVE-2018-20482, DLA-1623-1, openSUSE-SU-2019:1237-1, SUSE-SU-2019:0926-1, SUSE-SU-2019:14215-1, SUSE-SU-2020:2806-1, VIGILANCE-VUL-28140.

Description of the vulnerability 

An attacker can trigger an infinite loop via Sparse of tar, in order to trigger a denial of service.
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This threat bulletin impacts software or systems such as Debian, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer threat bulletin 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 computer threat.

Solutions for this threat 

Debian 8: new tar packages.
New packages are available:
  Debian 8: tar 1.27.1-2+deb8u2

openSUSE Leap: new tar packages.
New packages are available:
  openSUSE Leap 15.0: tar 1.30-lp150.7.1

Oracle Solaris: patch for third party software of January 2019 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 11: new tar packages.
New packages are available:
  SUSE LE 11 SP3: tar 1.27.1-14.8.1
  SUSE LE 11 SP4: tar 1.27.1-14.8.1

SUSE LE 12 SP5: new tar packages.
New packages are available:
  SUSE LE 12 SP5: tar 1.27.1-15.6.3

SUSE LE 15: new tar packages.
New packages are available:
  SUSE LE 15 RTM: tar 1.30-3.3.2
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