CVE-2019-14868

2020-04-0216:48:57

CWE-77

redhat

www.cve.org

7.4 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.9 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

57.2%

JSON

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.

CNA Affected

[
  {
    "product": "ksh",
    "vendor": "KornShell",
    "versions": [
      {
        "status": "affected",
        "version": "20120801"
      }
    ]
  }
]