CVEvulnerability
CVE-2019-14868
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-04-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.4 HIGH — CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-77
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.
Affected configurations
• ksh project ksh 20120801
• debian debian linux 9.0
• apple mac os x (< 10.15.5)
Related
Weakness · CWE (1)
- CWE-77 Improper Neutralization of Special Elements used in a Command weakness
References
- http://seclists.org/fulldisclosure/2020/May/53 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14868 Issue Tracking, Third Party Advisory
- https://github.com/att/ast/commit/c7de8b641266bac7c77942239ac659edfee9ecd2 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00015.html Mailing List, Third Party Advisory
- https://support.apple.com/kb/HT211170 Third Party Advisory
- http://seclists.org/fulldisclosure/2020/May/53 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14868 Issue Tracking, Third Party Advisory
- https://github.com/att/ast/commit/c7de8b641266bac7c77942239ac659edfee9ecd2 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00015.html Mailing List, Third Party Advisory
- https://support.apple.com/kb/HT211170 Third Party Advisory