CVE-2006-4447
X.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does not check the return values for setuid and seteuid calls when attempting to drop privileges, which might allow local users to gain privileges by causing those calls to fail, such as by exceeding a ulimit.
Published:Aug 30, 2006
Last Modified:Apr 16, 2026
EPS:Aug 30, 2006
EPSS Score:0.00175
CVSS Score:7.2
Affected Products
Vendor
Product
Action
Vendor
X.org
Product
Emu-linux-x87-xlibs
X.org
Emu-linux-x87-xlibs
Vendor
X.org
Product
X11r6
X.org
X11r6
Vendor
X.org
Product
X11r7
X.org
X11r7
Vendor
X.org
Product
Xdm
X.org
Xdm
Vendor
X.org
Product
Xf86dga
X.org
Xf86dga
Vendor
X.org
Product
Xinit
X.org
Xinit
Vendor
X.org
Product
Xload
X.org
Xload
Vendor
X.org
Product
Xorg-server
X.org
Xorg-server
Vendor
X.org
Product
Xterm
X.org
Xterm
Exploits
No exploit reference
Common Weakness Enumeration
No CWE recorded yet
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
