CVE-2019-5606

CVSS V2 High 7.2 CVSS V3 High 7.8
Description
In 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.
Overview
  • CVE ID
  • CVE-2019-5606
  • Assigner
  • secteam@freebsd.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-07-26T01:15:10
  • Last Modified Date
  • 2023-02-01T02:12:16
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:freebsd:freebsd:11.0:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.2:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc Vendor Advisory
http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20190814-0003/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-5606
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5606
History
Created Old Value New Value Data Type Notes
2022-05-10 17:38:27 Added to TrackCVE
2022-12-03 23:57:45 2019-07-26T01:15Z 2019-07-26T01:15:10 CVE Published Date updated
2022-12-03 23:57:45 2019-08-14T18:15:13 CVE Modified Date updated
2022-12-03 23:57:45 Modified Vulnerability Status updated
2022-12-07 14:09:37 Modified Undergoing Analysis Vulnerability Status updated
2023-02-01 03:09:16 2023-02-01T02:12:16 CVE Modified Date updated
2023-02-01 03:09:16 Undergoing Analysis Analyzed Vulnerability Status updated