MEDIUM
An issue was discovered in SDDM before 0.19.0
Published Nov 4, 2020
6.3
MEDIUMCVSS 3.1
EPSS 0.42%
Description
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.
Affected products
No data.
Configuration 1
- < 0.19.0
Configuration 3
OR
- 9.0
- 10.0
Configuration 4
- 33
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (9)
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00031.html vendor-advisoryMailing ListThird Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-28049 ExploitIssue TrackingThird Party Advisory
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-20539 Advisory
- https://github.com/sddm/sddm/blob/v0.19.0/ChangeLog Release NotesThird Party Advisory
- https://github.com/sddm/sddm/releases Release NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00009.html mailing-listMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GT3EX5NSQJJAKY63ENSMEDX6NYZLYY3S/ vendor-advisory
- https://security.gentoo.org/glsa/202402-02 vendor-advisory
- https://www.debian.org/security/2020/dsa-4783 vendor-advisoryThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00031.html | vendor-advisoryMailing ListThird Party Advisory | |
| https://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-28049 | ExploitIssue TrackingThird Party Advisory | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-20539 | Advisory | |
| https://github.com/sddm/sddm/blob/v0.19.0/ChangeLog | Release NotesThird Party Advisory | |
| https://github.com/sddm/sddm/releases | Release NotesThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2020/11/msg00009.html | mailing-listMailing ListThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GT3EX5NSQJJAKY63ENSMEDX6NYZLYY3S/ | vendor-advisory | |
| https://security.gentoo.org/glsa/202402-02 | vendor-advisory | |
| https://www.debian.org/security/2020/dsa-4783 | vendor-advisoryThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 4, 2020
Updated Oct 15, 2024
Reserved Nov 2, 2020
Link CVE-2020-28049
CISA Vulnrichment
Updated Oct 15, 2024
ENISA EUVD
EUVD-2020-20539 Assigner mitre
Published Nov 4, 2020
Updated Oct 15, 2024
Exploited since n/a
Link EUVD-2020-20539