7.8

CVE-2020-14361

A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
X.Org ≫ X Server Version < 1.20.9
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition esm
Redhat ≫ Enterprise Linux Version 6.0
Redhat ≫ Enterprise Linux Version 7.0
Redhat ≫ Enterprise Linux Version 8.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.61% 0.449
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 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
NIST 4.6 3.9 6.4
AV:L/AC:L/Au:N/C:P/I:P/A:P
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.

https://security.gentoo.org/glsa/202012-01
Third Party Advisory
https://usn.ubuntu.com/4488-2/
Third Party Advisory
https://lists.x.org/archives/xorg-announce/2020-August/003058.html
Patch
Vendor Advisory
Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=1869142
Third Party Advisory
Issue Tracking
https://www.zerodayinitiative.com/advisories/ZDI-20-1418/
Third Party Advisory
VDB Entry