Arbitrary Command Injection Affecting ksh package, versions <0:20120801-38.el6_10


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-ORACLE6-KSH-2548975
  • published10 Apr 2022
  • disclosed2 Apr 2020

Introduced: 2 Apr 2020

CVE-2019-14868  (opens in a new tab)
CWE-77  (opens in a new tab)

How to fix?

Upgrade Oracle:6 ksh to version 0:20120801-38.el6_10 or higher.
This issue was patched in ELSA-2020-0515.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ksh package and not the ksh package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

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.

CVSS Scores

version 3.1