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GLSA
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Joined: 12 May 2004
Posts: 2658

PostPosted: Thu Jul 22, 2021 6:26 am    Post subject: [ GLSA 202107-50 ] Singularity Reply with quote

Gentoo Linux Security Advisory

Title: Singularity: Remote code execution (GLSA 202107-50)
Severity: high
Exploitable: remote
Date: 2021-07-22
Bug(s): #792465
ID: 202107-50

Synopsis

A vulnerability in Singularity could result in remote code
execution.


Background

Singularity is the container platform for performance sensitive
workloads.


Affected Packages

Package: sys-cluster/singularity
Vulnerable: < 3.7.4
Unaffected: >= 3.7.4
Architectures: All supported architectures


Description

Singularity always uses the default remote endpoint,
‘cloud.syslabs.io’, for action commands using the ‘library://’
URI rather than the configured remote endpoint.


Impact

An attacker that that can push a malicious container to the default
remote endpoint could execute code on hosts that fetch the container.


Workaround

There is no known workaround at this time.

Resolution

All Singularity users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-cluster/singularity-3.7.4"
   


References

CVE-2021-32635
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