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Oracle Linux: (CVE-2019-14868) (Multiple Advisories): ksh security update

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Oracle Linux: (CVE-2019-14868) (Multiple Advisories): ksh security update

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
02/18/2020
Created
02/20/2020
Added
02/19/2020
Modified
10/05/2022

Description

In ksh version 20120801, a flaw was found in the way it evaluates certain environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Services and applications that allow remote unauthenticated attackers to provide one of those environment variables could allow them to exploit this issue remotely.

Solution(s)

  • oracle-linux-upgrade-ksh

References

  • ELSA-2020-0568
  • CVE-2019-14868

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