CVE-2018-17155

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
Description
In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data.
Overview
  • CVE ID
  • CVE-2018-17155
  • Assigner
  • secteam@freebsd.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-09-28T13:29:00
  • Last Modified Date
  • 2018-11-23T14:08:35
Weakness Enumerations
CWE URL
CWE-200 http://cwe.mitre.org/data/definitions/200.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* 1 OR 11.2
cpe:2.3:o:freebsd:freebsd:10.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:10.4:p13:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.1:p15:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.2:p4:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-17155
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17155
History
Created Old Value New Value Data Type Notes
2022-05-10 17:51:53 Added to TrackCVE
2022-12-03 12:40:23 2018-09-28T13:29Z 2018-09-28T13:29:00 CVE Published Date updated
2022-12-03 12:40:23 2018-11-23T14:08:35 CVE Modified Date updated
2022-12-03 12:40:23 Analyzed Vulnerability Status updated