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SUSE: 2023:4425-1 Critical: Squashfs Memory Corruption Flaw

suse
Calendar Grey November 13, 2023
Dist Suse Esm H88
A significant security patch for squashfs that addresses crucial vulnerabilities impacting multiple SUSE versions.
* bsc#1133284 * bsc#1160294 * bsc#1189936 * bsc#1190531 * bsc#935380

Summary

## This update for squashfs fixes the following issues: * CVE-2015-4645,CVE-2015-4646: Multiple buffer overflows fixed in squashfs- tools (bsc#935380) * CVE-2021-40153: Fixed an issue where an attacker might have been able to write a file outside of destination (bsc#1189936) * CVE-2021-41072: Fixed an issue where an attacker might have been able to write a file outside the destination directory via a symlink (bsc#1190531). ## 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 High Performance Computing 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4424=1 * SUSE Linux Enterprise Server 12 SP5

Topics%20covered

Topics Covered

security advisory security update buffer overflow important SUSE attack vector squashfs

References

* bsc#1133284

* bsc#1160294

* bsc#1189936

* bsc#1190531

* bsc#935380

Cross-

* CVE-2015-4645

* CVE-2015-4646

* CVE-2021-40153

* CVE-2021-41072

CVSS scores:

* CVE-2015-4645 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2015-4645 ( NVD ): 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2015-4646 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2021-40153 ( SUSE ): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

* CVE-2021-40153 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

* CVE-2021-41072 ( SUSE ): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

* CVE-2021-41072 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4424-1
Rating: important

Topics%20covered

Topics Covered

security advisory security update buffer overflow important SUSE attack vector squashfs

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