7.8

CVE-2021-3472

A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Data is provided by the National Vulnerability Database (NVD)
X.OrgX Server Version < 1.20.11
FedoraprojectFedora Version32
FedoraprojectFedora Version33
FedoraprojectFedora Version34
DebianDebian Linux Version9.0
DebianDebian Linux Version10.0
RedhatEnterprise Linux Version7.0
RedhatEnterprise Linux Version8.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.09% 0.269
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-191 Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

http://www.openwall.com/lists/oss-security/2021/04/13/1
Patch
Third Party Advisory
Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=1944167
Patch
Third Party Advisory
Issue Tracking
https://seclists.org/oss-sec/2021/q2/20
Patch
Third Party Advisory
Mailing List