CVE-2020-28049
Vulnerability from cvelistv5
Published
2020-11-04 00:00
Modified
2024-10-15 18:10
Severity ?
6.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS score ?
0.07% (0.21011)
Summary
An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents and, for example, intercept keystrokes or access the clipboard. This is caused by a race condition during Xauthority file creation.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00031.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-28049Exploit, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://github.com/sddm/sddm/blob/v0.19.0/ChangeLogRelease Notes, Third Party Advisory
cve@mitre.orghttps://github.com/sddm/sddm/releasesRelease Notes, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/11/msg00009.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GT3EX5NSQJJAKY63ENSMEDX6NYZLYY3S/
cve@mitre.orghttps://security.gentoo.org/glsa/202402-02
cve@mitre.orghttps://www.debian.org/security/2020/dsa-4783Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00031.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-28049Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/sddm/sddm/blob/v0.19.0/ChangeLogRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/sddm/sddm/releasesRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/11/msg00009.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GT3EX5NSQJJAKY63ENSMEDX6NYZLYY3S/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202402-02
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4783Third Party Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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