Vulnerability in The Xorg Project Xorg-X11-Server
CVE-2020-14347
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
EPSS: 0.004 (31.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- The Xorg Project Xorg-x11-server — versions 1.20.9
- X.org X_server
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Debian Debian_linux — versions 9.0, 10.0
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Mailing List, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (vendor-advisory, Broken Link, x_refsource_SUSE)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Broken Link, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2020-14347?
- CVE-2020-14347 is a medium-severity vulnerability in The Xorg Project Xorg-X11-Server, classified under Improper Initialization. CVSS score: 5.5/10. Published 2020-08-05.
- How severe is CVE-2020-14347?
- Medium severity. CVSS v3 base score is 5.5 out of 10.