Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| X.Org | X Server | < 1.20.9 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00066.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00075.htmlBroken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14347Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00057.htmlMailing ListThird Party Advisory
- https://lists.x.org/archives/xorg-announce/2020-July/003051.htmlMailing ListPatchVendor Advisory
- https://security.gentoo.org/glsa/202012-01Third Party Advisory
- https://usn.ubuntu.com/4488-1/Third Party Advisory
- https://usn.ubuntu.com/4488-2/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4758Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/07/31/2Mailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00066.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00075.htmlBroken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14347Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00057.htmlMailing ListThird Party Advisory
- https://lists.x.org/archives/xorg-announce/2020-July/003051.htmlMailing ListPatchVendor Advisory
FAQ
What is CVE-2020-14347?
CVE-2020-14347 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 re...
How severe is CVE-2020-14347?
CVE-2020-14347 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-14347?
Check the references section above for vendor advisories and patch information. Affected products include: X.Org X Server, Debian Debian Linux, Canonical Ubuntu Linux.