Vulnerability Monitor

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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.


Security Impact Summary

CVE-2006-4447 is a security vulnerability that . Impacting 9 products from x.org, from x.org, from x.org and 6 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2006, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.


Published

2006-08-30T01:04:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Primary
    NVD-CWE-Other

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application x.org emu-linux-x87-xlibs 7.0_r1 Yes
Application x.org x11r6 6.7.0 Yes
Application x.org x11r6 6.8 Yes
Application x.org x11r6 6.8.1 Yes
Application x.org x11r6 6.8.2 Yes
Application x.org x11r7 1.0 Yes
Application x.org x11r7 1.0.1 Yes
Application x.org x11r7 1.0.2 Yes
Application x.org xdm 1.0.3 Yes
Application x.org xf86dga 1.0.0 Yes
Application x.org xinit 1.0.2_r5 Yes
Application x.org xload 1.0.0 Yes
Application x.org xorg-server 1.02_r5 Yes
Application x.org xterm 214 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For x.org's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.