4.3 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:P/I:P/A:P
0.0005 Low
EPSS
Percentile
17.0%
The X Window System is a graphical windowing system based on a client/server model.
Aaron Plattner discovered a buffer overflow in the compNewPixmap() function when copying data from a large pixel depth pixmap into a smaller pixel depth pixmap.
A local attacker could execute arbitrary code with the privileges of the user running the X server, typically root.
Disable the Composite extension by setting ’ Option “Composite” “disable” ’ in the Extensions section of xorg.conf.
Note: This could affect the functionality of some applications.
All X.Org X server users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-base/xorg-server-1.3.0.0-r1"
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Gentoo | any | all | x11-base/xorg-server | < 1.3.0.0-r1 | UNKNOWN |