CVE-2020-1712

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.
Overview
  • CVE ID
  • CVE-2020-1712
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-03-31T17:15:26
  • Last Modified Date
  • 2022-11-29T16:25:04
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:a:systemd_project:systemd:*:*:*:*:*:*:*:* 1 OR 244
cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:discovery:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:migration_toolkit:1.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/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://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712 Issue Tracking Patch Third Party Advisory
https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54 Patch Third Party Advisory
https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb Patch Third Party Advisory
https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d Patch Third Party Advisory
https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html Mailing List Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/02/05/1 Mailing List Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-1712
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1712
History
Created Old Value New Value Data Type Notes
2022-05-10 06:35:48 Added to TrackCVE
2022-12-04 13:44:19 2020-03-31T17:15Z 2020-03-31T17:15:26 CVE Published Date updated
2022-12-04 13:44:19 2022-11-29T16:25:04 CVE Modified Date updated
2022-12-04 13:44:19 Analyzed Vulnerability Status updated
2022-12-04 13:44:23 References updated