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CVE-2018-20482 PUBLISHED

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 0.02% · 5.3th percentile

Risk Scores

EPSS Score
0.02%
5.3th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTStar0, 1.28-2.1ubuntu0.1, 1.28-2.1
Ubuntu:18.04:LTStar1.29b-2ubuntu0.1, 0, 1.29b-2
Ubuntu:Pro:14.04:LTStar1.27-4, 1.27-3, 1.26+dfsg-8

Timeline

References

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