A remote overflow exists in Oracle Database Server MD2 package. The package fails to properly sanitize user input supplied to the LAYER parameter which is passed to the SDO_CODE_SIZE procedure or VALIDATE_GEOM procedure resulting in a buffer overflow. With a specially crafted request, an attacker can cause the execution of arbitrary code or crash the server resulting in a loss of integrity or availability.
Classification
Location:
Remote / Network Access
Attack Type:
Denial of Service,
Input Manipulation
Impact:
Loss of Integrity,
Loss of Availability
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified,
Vendor Verified
Technical
A valid database account with any privilege level is required to exploit this vulnerability.
Solution
Currently, there are no known workarounds or upgrades to correct this issue. However, Oracle has released a patch to address this vulnerability:
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