vulnerability
Red Hat: CVE-2019-14868: CVE-2019-14868 ksh: certain environment variables interpreted as arithmetic expressions on startup, leading to code injection (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Feb 17, 2020 | Feb 18, 2020 | Aug 11, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Feb 17, 2020
Added
Feb 18, 2020
Modified
Aug 11, 2025
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-kshredhat-upgrade-ksh-debuginforedhat-upgrade-ksh-debugsource
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