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Huawei EulerOS: Security Advisory for xorg-x11-server (EulerOS-SA-2020-1062)

Information

Severity

Severity

High

Family

Family

Huawei EulerOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.2

CVSSv2 Vector

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

4 years ago

Modified

Modified

4 years ago

Summary

The remote host is missing an update for the Huawei EulerOS 'xorg-x11-server' package(s) announced via the EulerOS-SA-2020-1062 advisory.

Insight

Insight

An incorrect permission check for -modulepath and -logfile options when starting Xorg X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges.(CVE-2018-14665) systemd 242 changes the VT1 mode upon a logout, which allows attackers to read cleartext passwords in certain circumstances, such as watching a shutdown, or using Ctrl-Alt-F1 and Ctrl-Alt-F2. This occurs because the KDGKBMODE (aka current keyboard mode) check is mishandled.(CVE-2018-20839)(CVE-2019-1547)

Affected Software

Affected Software

'xorg-x11-server' package(s) on Huawei EulerOS Virtualization for ARM 64 3.0.5.0.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

Please install the updated package(s).

Common Vulnerabilities and Exposures (CVE)