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Amazon Linux AMI: CVE-2019-3464: Security patch for rssh (ALAS-2019-1328)

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Amazon Linux AMI: CVE-2019-3464: Security patch for rssh (ALAS-2019-1328)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
02/02/2019
Created
12/24/2019
Added
12/20/2019
Modified
10/14/2022

Description

Insufficient sanitization of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.

Solution(s)

  • amazon-linux-upgrade-rssh

References

  • ALAS-2019-1328
  • DSA-4382
  • USN-3946-1
  • CVE-2019-3464

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