VDB

CVE-2018-20482

CVE-2018-20482 PUBLISHED CVSS 4.699999809265137 MEDIUM

GNU Tar through 1.30, when --sparse is used, mishandles file shrinkage during read access, which allows local users to cause a denial of service (infinite read loop in sparse_dump_region in sparse.c) by modifying a file that is supposed to be archived by a different user's process (e.g., a system backup running as root).

EPSS 0.53% · 42.4th percentile

Risk Scores

CVSS 3.1
4.699999809265137
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.53%
42.4th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTStar1.28-2ubuntu1, 1.28-2.1ubuntu0.1, 1.28-2.1
Ubuntu:18.04:LTStar0, 1.29b-2, 1.29b-2ubuntu0.1
Ubuntu:Pro:14.04:LTStar1.26+dfsg-8, 1.27-3, 1.27-4

Timeline

  • Dec 26, 2018 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 25, 2021 EPSS Score
  • Oct 27, 2021 EPSS Score
  • Dec 29, 2021 EPSS Score
  • Mar 3, 2022 EPSS Score
  • May 5, 2022 EPSS Score
  • Jul 7, 2022 EPSS Score
  • Nov 11, 2022 EPSS Score
  • Jan 13, 2023 EPSS Score
  • Mar 7, 2023 EPSS Score

References

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