8.8

CVE-2020-29074

scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
X11vnc Project ≫ X11vnc Version 0.9.16
Fedoraproject ≫ Fedora Version 32
Fedoraproject ≫ Fedora Version 33
Fedoraproject ≫ Fedora Version 34
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 10.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.78% 0.765
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 6.5 8 6.4
AV:N/AC:L/Au:S/C:P/I:P/A:P
CWE-732 Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

https://github.com/LibVNC/x11vnc/commit/69eeb9f7baa14ca03b16c9de821f9876def7a36a
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00018.html
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2FLWSVH32O6JXLRQBYDQLP7XRSTLUPQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MHVXHZE3YIP4RTWGQ24IDBSW44XPRDOC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZL6NQTNK5PT63D2JX5YVV5OLUL76S5C/
https://www.debian.org/security/2020/dsa-4799
Third Party Advisory