Quantum Secular Labs / Blog / Advisories

CVE-2007-5245: Firebirdsql: Buffer overflow

CVE-2007-5245 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Firebirdsql. 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

Multiple stack-based buffer overflows in Firebird LI 1.5.3.4870 and 1.5.4.4910, and WI 1.5.3.4870 and 1.5.4.4910, allow remote attackers to execute arbitrary code via (1) a long service attach request on TCP port 3050 to the SVC_attach function or (2) unspecified vectors involving the INET_connect function.

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.

Underlying weakness

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.

Affected products

  • Firebirdsql: 1.5.3.4870; 1.5.4.4910

References