Zero-Day Advisory

Fortinet Discovers Oracle Secure Backup observiced.exe Null Pointer Dereference Denial of Service Vulnerability


Fortinet's FortiGuard Labs has discovered null pointer dereference denial of service vulnerability in Oracle Secure Backup observiced.exe.


FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Released Jul 31, 2008
Users should apply the solution provided by Oracle.

Additional Information

By default, Oracle Secure Backup listens and receives private protocol data on TCP port 400.  One denial of service vulnerability was discovered through sending some malformed private data to Oracle Secure Backup which causes a null pointer dereference, leading to a crash.


Xiaopeng Zhang and Zhenhua Liu of Fortinet's FortiGuard Global Security Research Team

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.