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TI-2019-11072 Aliases CVE-2019-14868GHSA-2x84-7422-962r

Command injection in KornShell ksh

Priority LOW 37CWE-77Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 20 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-77.

Summary

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.

Why it matters now

EPSS 0.01385 72nd percentileScored 2026-11-07
Fix Partial Red Hat: 9 advisoriesRed Hat: 20 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
KornShellksh20120801—No fix listedCNA
  • ksh VendorKornShell Affected 20120801 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:ksh_project:ksh:20120801:*:*:*:*:*:*:*20120801VulnerableKsh Project
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15.5VulnerableApple
  • cpe:2.3:a:ksh_project:ksh:20120801:*:*:*:*:*:*:* Versions 20120801 Vulnerable ·Ksh Project
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.5 Vulnerable ·Apple

Remediation

Red Hat 9 advisories

  • RHSA-2020:5351 Released 2020-12-07 · Red Hat rating Important
    ksh security update
    • Red Hat Enterprise Linux Server AUS (v. 7.3) ksh-20120801-27.el7_3
  • RHSA-2020:5352 Released 2020-12-07 · Red Hat rating Important
    ksh security update
    • Red Hat Enterprise Linux Server AUS (v. 7.2) ksh-20120801-26.el7_2
  • RHSA-2020:2210 Released 2020-05-19 · Red Hat rating Important
    ksh security update
    • Red Hat Enterprise Linux Server AUS (v. 7.4) ksh-20120801-36.el7_4
    • Red Hat Enterprise Linux Server E4S (v. 7.4) ksh-20120801-36.el7_4
    • Red Hat Enterprise Linux Server TUS (v. 7.4) ksh-20120801-36.el7_4
Show 6 more Red Hat advisories
  • RHSA-2020:1333 Released 2020-04-06 · Red Hat rating Important
    ksh security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) ksh-20120801-140.el7_6
    • Red Hat Enterprise Linux Server EUS (v. 7.6) ksh-20120801-140.el7_6
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) ksh-20120801-140.el7_6
  • RHSA-2020:1332 Released 2020-04-06 · Red Hat rating Important
    ksh security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) ksh-20120801-138.el7_5
    • Red Hat Enterprise Linux Server EUS (v. 7.5) ksh-20120801-138.el7_5
  • RHSA-2020:0568 Released 2020-02-24 · Red Hat rating Important
    ksh security update
    • Red Hat Enterprise Linux Client (v. 7) ksh-20120801-140.el7_7
    • Red Hat Enterprise Linux ComputeNode (v. 7) ksh-20120801-140.el7_7
    • Red Hat Enterprise Linux Server (v. 7) ksh-20120801-140.el7_7
    • Red Hat Enterprise Linux Workstation (v. 7) ksh-20120801-140.el7_7
  • RHSA-2020:0559 Released 2020-02-20 · Red Hat rating Important
    ksh security update
    • Red Hat Enterprise Linux AppStream (v. 8) ksh-20120801-253.el8_1
  • RHSA-2020:0515 Released 2020-02-17 · Red Hat rating Important
    ksh security update
    • Red Hat Enterprise Linux Desktop (v. 6) ksh-20120801-38.el6_10
    • Red Hat Enterprise Linux HPC Node (v. 6) ksh-20120801-38.el6_10
    • Red Hat Enterprise Linux Server (v. 6) ksh-20120801-38.el6_10
    • Red Hat Enterprise Linux Workstation (v. 6) ksh-20120801-38.el6_10
  • RHSA-2020:0431 Released 2020-02-05 · Red Hat rating Important
    ksh security update
    • Red Hat Enterprise Linux AppStream E4S (v. 8.0) ksh-20120801-253.el8_0

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:0559
Red Hat Enterprise Linux AppStream E4S (v. 8.0)Fixed RHSA-2020:0431
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2020:0568
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2020:0568
Red Hat Enterprise Linux ComputeNode EUS (v. 7.5)Fixed RHSA-2020:1332
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6)Fixed RHSA-2020:1333
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2020:0515
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2020:0515
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2020:0515
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:0568
Red Hat Enterprise Linux Server AUS (v. 7.2)Fixed RHSA-2020:5352
Red Hat Enterprise Linux Server AUS (v. 7.3)Fixed RHSA-2020:5351
Red Hat Enterprise Linux Server AUS (v. 7.4)Fixed RHSA-2020:2210
Red Hat Enterprise Linux Server E4S (v. 7.4)Fixed RHSA-2020:2210
Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2020:1332
Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2020:1333
Red Hat Enterprise Linux Server TUS (v. 7.4)Fixed RHSA-2020:2210
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2020:0515
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:0568
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2020:1333

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-14868
  2. 2026-10-03 Alias added: GHSA-2x84-7422-962r

References

Patch 1

Advisory 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences