ALT-PU-2019-3351-1
Closed vulnerabilities
Published: 2020-02-05
BDU:2020-02039
Уязвимость системы инициализации Linux systemd, связанная с обращением к памяти после ее освобождения, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
Severity: MEDIUM (5.3)
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
References:
Published: 2020-03-31
Modified: 2024-11-21
Modified: 2024-11-21
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 potentially execute code and elevate their privileges, by sending specially crafted dbus messages.
Severity: HIGH (7.8)
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712
- https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54
- https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54
- https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb
- https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb
- https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d
- https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d
- https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2
- https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2
- [debian-lts-announce] 20220630 [SECURITY] [DLA 3063-1] systemd security update
- [debian-lts-announce] 20220630 [SECURITY] [DLA 3063-1] systemd security update
- https://www.openwall.com/lists/oss-security/2020/02/05/1
- https://www.openwall.com/lists/oss-security/2020/02/05/1