Use After Free in Systemd_project Systemd
CVE-2020-1712
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…
Vulnerability class: Use-After-Free
EPSS: 0.005 (36.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Systemd_project Systemd
- [Unknown] Systemd — versions before v245-rc1
- Debian Debian_linux — versions 9.0
- Redhat Ceph_storage — versions 4.0
- Redhat Discovery
- Redhat Enterprise_linux — versions 8.0
- Redhat Migration_toolkit — versions 1.0
- Redhat Openshift_container_platform — versions 4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-1712?
- CVE-2020-1712 is a high-severity vulnerability in Systemd_project Systemd, classified under Use After Free. CVSS score: 7.8/10. Published 2020-03-31.
- How severe is CVE-2020-1712?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-1712 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.