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SUSE: 2022:1548-1 Moderate: Tar Memory Leak and Security Issues

suse
Calendar Grey May 5, 2022
Dist Suse Esm H88
SUSE releases a critical update for tar, focusing on three vulnerabilities and providing necessary enhancements.
An update that solves three vulnerabilities and has one errata is now available

Summary

This update for tar fixes the following issues: - CVE-2021-20193: Fixed a memory leak in read_header() in list.c (bsc#1181131). - CVE-2019-9923: Fixed a null-pointer dereference in pax_decode_header in sparse.c (bsc#1130496). - CVE-2018-20482: Fixed infinite read loop in sparse_dump_region in sparse.c (bsc#1120610). - Update to GNU tar 1.34: * Fix extraction over pipe * Fix memory leak in read_header (CVE-2021-20193) (bsc#1181131) * Fix extraction when . and .. are unreadable * Gracefully handle duplicate symlinks when extracting * Re-initialize supplementary groups when switching to user privileges - Update to GNU tar 1.33: * POSIX extended format headers do not include PID by default * --delay-directory-restore works for archives with reversed member ordering

Topics%20covered

Topics Covered

security advisory security issue update moderate severity memory leak SUSE tar

References

#1029961 #1120610 #1130496 #1181131

Cross- CVE-2018-20482 CVE-2019-9923 CVE-2021-20193

CVSS scores:

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-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-2019-9923 (NVD) : 7.5 CVSS:3.0/AV:N/AC:L/PR:N/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-2021-20193 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVE-2021-20193 (SUSE): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected Products:

SUSE Linux Enterprise Desktop 15-SP3

SUSE Linux Enterprise High Performance Computing 15-SP3

SUSE Linux Enterprise Micro 5.0

SUSE Linux Enterprise Micro 5.1

SUSE Linux Enterprise Micro 5.2

Announcement ID: SUSE-SU-2022:1548-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory security issue update moderate severity memory leak SUSE tar

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