CVE-2020-1712
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Systemd
PublishedMar 31, 2020
First seenMar 31, 2020
Weakness typeCWE-416Use after free
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| systemd_project systemd | v ≤ 244 | — |
| redhat ceph_storage | 4.0 | — |
| redhat discovery | No range specified | — |
| redhat migration_toolkit | 1.0 | — |
| redhat openshift_container_platform | 4.0 | — |
| redhat enterprise_linux | 8.0 | — |
| debian debian_linux | 9.0 | — |
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