Security update for tar

Announcement ID: SUSE-SU-2019:14215-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2018-20482 ( SUSE ): 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2018-20482 ( NVD ): 4.7 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-9923 ( SUSE ): 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2019-9923 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise Point of Service 11 SP3
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4

An update that solves two vulnerabilities, contains one feature and has one security fix can now be installed.

Description:

This update for tar to version 1.27.1 fixes the following issues:

tar 1.27.1 brings following changes (jsc#ECO-339)

  • Sparse files with large data
  • No backticks in quoting
  • --owner and --group names and numbers
  • Support for POSIX ACLs, extended attributes and SELinux context.
  • Passing command line arguments to external commands.
  • New configure option --enable-gcc-warnings, intended for debugging.
  • New warning control option --warning=[no-]record-size
  • New command line option --keep-directory-symlink
  • Fix unquoting of file names obtained via the -T option.
  • Fix GNU long link header timestamp (backward compatibility).

Security issues fixed:

  • CVE-2019-9923: Fixed a denial of service while parsing certain archives with malformed extended headers in pax_decode_header() (bsc#1130496).
  • CVE-2018-20482: Fixed a denial of service when the '--sparse' option mishandles file shrinkage during read access (bsc#1120610).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Point of Service 11 SP3
    zypper in -t patch sleposp3-tar-14215=1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4
    zypper in -t patch slessp4-tar-14215=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-tar-14215=1

Package List:

  • SUSE Linux Enterprise Point of Service 11 SP3 (i586)
    • tar-1.27.1-14.8.1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (ppc64 s390x x86_64 i586)
    • tar-1.27.1-14.8.1
  • SUSE Linux Enterprise Server 11 SP4 (ppc64 s390x x86_64 i586)
    • tar-1.27.1-14.8.1

References: