CVEvulnerability
CVE-2020-1712
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-03-31
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
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.
Affected configurations
• systemd project systemd (<= 244)
• redhat ceph storage 4.0
• redhat discovery
• redhat migration toolkit 1.0
• redhat openshift container platform 4.0
• redhat enterprise linux 8.0
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- 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
- 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
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com