A singularity security update has been released for SUSE Linux Enterprise 15 SP2.

openSUSE-SU-2021:0810-1: moderate: Security update for singularity

openSUSE Security Update: Security update for singularity
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Announcement ID: openSUSE-SU-2021:0810-1
Rating: moderate
References: #1184147
Cross-References: CVE-2021-29136
CVSS scores:
CVE-2021-29136 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVE-2021-29136 (SUSE): 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected Products:
openSUSE Backports SLE-15-SP2
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An update that fixes one vulnerability is now available.

Description:

This update for singularity fixes the following issues:

singularity was updated to version 3.7.3:

- Fix for CVE-2021-29136: A dependency used to extract docker/OCI image
layers can be tricked into modifying host files by creating a malicious
layer that has a symlink with the name "." (or "/"), when running as
root.

Patch Instructions:

To install this openSUSE 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:

- openSUSE Backports SLE-15-SP2:

zypper in -t patch openSUSE-2021-810=1


Package List:

- openSUSE Backports SLE-15-SP2 (aarch64 s390x x86_64):

singularity-3.7.3-bp152.2.19.3

References:

  https://www.suse.com/security/cve/CVE-2021-29136.html
  https://bugzilla.suse.com/1184147