cve-2020-1712
Vulnerability from cvelistv5
Published
2020-03-31 16:44
Modified
2024-08-04 06:46
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS score ?
0.09% (0.23836)
Summary
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.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54Patch, Third Party Advisory
secalert@redhat.comhttps://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abbPatch, Third Party Advisory
secalert@redhat.comhttps://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2dPatch, Third Party Advisory
secalert@redhat.comhttps://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2Patch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/06/msg00025.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2020/02/05/1Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abbPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2dPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/06/msg00025.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2020/02/05/1Mailing List, Patch, Third Party Advisory
Impacted products
Vendor Product Version
[UNKNOWN] systemd Version: before v245-rc1
 Create a notification for this product.
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