CVE-2020-28049 (GCVE-0-2020-28049)
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
CWE
  • n/a
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.org http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00031.html Mailing List, Third Party Advisory
cve@mitre.org https://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-28049 Exploit, Issue Tracking, Third Party Advisory
cve@mitre.org https://github.com/sddm/sddm/blob/v0.19.0/ChangeLog Release Notes, Third Party Advisory
cve@mitre.org https://github.com/sddm/sddm/releases Release Notes, Third Party Advisory
cve@mitre.org https://lists.debian.org/debian-lts-announce/2020/11/msg00009.html Mailing List, Third Party Advisory
cve@mitre.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GT3EX5NSQJJAKY63ENSMEDX6NYZLYY3S/
cve@mitre.org https://security.gentoo.org/glsa/202402-02
cve@mitre.org https://www.debian.org/security/2020/dsa-4783 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00031.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-28049 Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://github.com/sddm/sddm/blob/v0.19.0/ChangeLog Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://github.com/sddm/sddm/releases Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2020/11/msg00009.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GT3EX5NSQJJAKY63ENSMEDX6NYZLYY3S/
af854a3a-2127-422b-91ae-364da2661108 https://security.gentoo.org/glsa/202402-02
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2020/dsa-4783 Third 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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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.