CVE-2019-5606

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Summary

CVECVE-2019-5606
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-07-26 01:15:00 UTC
Updated2023-02-01 02:12:00 UTC
DescriptionIn FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. This causes an incorrect signal to be raised leading to a write after free of kernel memory allowing a malicious user to gain root privileges or escape a jail.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 11.0 - All All
Operating System Freebsd Freebsd 11.2 - All All
Operating System Freebsd Freebsd 11.3 - All All
Operating System Freebsd Freebsd 12.0 - All All
Operating System Freebsd Freebsd 11.0 - All All
Operating System Freebsd Freebsd 11.2 - All All
Operating System Freebsd Freebsd 11.3 - All All
Operating System Freebsd Freebsd 12.0 - All All

References

ReferenceSourceLinkTags
FreeBSD Security Advisory - FreeBSD-SA-19:13.pts ≈ Packet Storm MISC packetstormsecurity.com Third Party Advisory, VDB Entry
August 2019 FreeBSD Vulnerabilities in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
FreeBSD-SA-19:13 FREEBSD security.FreeBSD.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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