Medium severity · published Aug 5, 2020
CVE-2020-14347
A flaw was found in the way xserver memory was not properly initialized
5.5
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 20.04 · source: NVD
XS
X Server · X.org
before 1.20.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-14347
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14347
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00066.html
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00075.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14347
Mailing List
https://lists.debian.org/debian-lts-announce/2020/08/msg00057.html
Mailing List
https://lists.x.org/archives/xorg-announce/2020-July/003051.html
Third Party Advisory
https://security.gentoo.org/glsa/202012-01
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