CVE-2019-14868

Summary

CVECVE-2019-14868
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-04-02 17:15:00 UTC
Updated2023-02-12 23:36:00 UTC
DescriptionIn 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.

Risk And Classification

Problem Types: CWE-77

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Mac Os X All All All All
Operating System Apple Mac Os X All All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Ksh Project Ksh 20120801 All All All
Application Ksh Project Ksh 20120801 All All All

References

ReferenceSourceLinkTags
About the security content of macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra - Apple Support CONFIRM support.apple.com Third Party Advisory
[SECURITY] [DLA 2284-1] ksh security update MLIST lists.debian.org Mailing List, Third Party Advisory
1757324 – (CVE-2019-14868) CVE-2019-14868 ksh: certain environment variables interpreted as arithmetic expressions on startup, leading to code injection MISC bugzilla.redhat.com
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
Red Hat Customer Portal MISC access.redhat.com
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
Red Hat Customer Portal MISC access.redhat.com
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
Harden env var imports · att/ast@c7de8b6 · GitHub MISC github.com Patch, Third Party Advisory
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
1757324 – (CVE-2019-14868) CVE-2019-14868 ksh: certain environment variables interpreted as arithmetic expressions on startup, leading to code injection CONFIRM bugzilla.redhat.com Issue Tracking, Third Party Advisory
Full Disclosure: APPLE-SA-2020-05-26-3 macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra FULLDISC seclists.org Mailing List, Third Party Advisory
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 296073 Oracle Solaris 11.4 Support Repository Update (SRU) 24.75.2 Missing (CPUJUL2020)
  • 376990 Alibaba Cloud Linux Security Update for ksh (ALINUX2-SA-2020:0023)
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