CVE-2019-14868
High
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.
SeverityHigh
CVSS7.4
Exploit probability—
Product
Ksh
PublishedApr 2, 2020
First seenApr 2, 2020
Weakness typeCWE-77Command injection
How to fix
Update
- apple mac_os_x10.15.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ksh_project ksh | 20120801 | — |
| debian debian_linux | 9.0 | — |
| apple mac_os_x | v < 10.15.5 | 10.15.5 |
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