Quantum Secular Labs / Blog / Advisories

CVE-2010-4435: Sunos: Buffer overflow

CVE-2010-4435 has a CVSS v2 base score of 10.0 (the maximum on that scale) and NVD lists Sunos as the affected product. 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

Unspecified vulnerability in Oracle Solaris 8, 9, and 10 allows remote attackers to affect confidentiality, integrity, and availability, related to CDE Calendar Manager Service Daemon and RPC. NOTE: the previous information was obtained from the January 2011 CPU. Oracle has not commented on claims from other software vendors that this affects other operating systems, such as HP-UX, or claims from a reliable third party that this is a buffer overflow in rpc.cmsd via long XDR-encoded ASCII strings in RPC call 10.

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

  • Sunos: 5.8; 5.9; 5.10

References