Security update for tar

SUSE Security Update: Security update for tar
Announcement ID: SUSE-SU-2019:14215-1
Rating: moderate
References: #1120610 #1130496 #1152736
Cross-References: CVE-2018-20482 CVE-2019-9923
Affected Products:
  • SUSE Linux Enterprise Server 11-SP4-LTSS
  • SUSE Linux Enterprise Point of Sale 11-SP3
  • SUSE Linux Enterprise Debuginfo 11-SP4
  • SUSE Linux Enterprise Debuginfo 11-SP3

An update that solves two vulnerabilities and has one errata is now available.

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 Security 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 Server 11-SP4-LTSS:
    zypper in -t patch slessp4-tar-14215=1
  • SUSE Linux Enterprise Point of Sale 11-SP3:
    zypper in -t patch sleposp3-tar-14215=1
  • SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-tar-14215=1
  • SUSE Linux Enterprise Debuginfo 11-SP3:
    zypper in -t patch dbgsp3-tar-14215=1

Package List:

  • SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):
    • tar-1.27.1-14.8.1
  • SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
    • tar-1.27.1-14.8.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):
    • tar-debuginfo-1.27.1-14.8.1
    • tar-debugsource-1.27.1-14.8.1
  • SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
    • tar-debuginfo-1.27.1-14.8.1
    • tar-debugsource-1.27.1-14.8.1

References: