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CVE-2004-0084: Xfree86 Project X11r6: Buffer overflow

CVE-2004-0084 has a CVSS v2 base score of 10.0 (the maximum on that scale) and NVD lists 2 affected products, including Xfree86 Project X11r6. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Buffer overflow in the ReadFontAlias function in XFree86 4.1.0 to 4.3.0, when using the CopyISOLatin1Lowered function, allows local or remote authenticated users to execute arbitrary code via a malformed entry in the font alias (font.alias) file, a different vulnerability than CVE-2004-0083 and CVE-2004-0106.

Severity breakdown

CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access vector: Network. Exploitable remotely over the network.
  • Access complexity: Low. No special conditions are required.
  • Authentication: None. No authentication is needed.
  • Confidentiality impact: Complete. Total information disclosure.
  • Integrity impact: Complete. Total loss of integrity.
  • Availability impact: Complete. Total shutdown of the component.

Affected products

  • Xfree86 Project X11r6: 4.1.0; 4.1.11; 4.1.12; 4.2.0; 4.2.1; 4.3.0
  • Openbsd: 3.3; 3.4

References