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Vulnerability of IBM Informix Dynamic Server: buffer overflow via Spatial Datablade

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via Spatial Datablade of IBM Informix Dynamic Server, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Informix Server.
Severity of this alert: 2/4.
Creation date: 09/10/2020.
Références of this alert: 6343587, CVE-2020-4799, VIGILANCE-VUL-33527, ZDI-20-1237.

Description of the vulnerability 

An attacker can trigger a buffer overflow via Spatial Datablade of IBM Informix ...
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This security vulnerability impacts software or systems such as Informix Server.

Our Vigil@nce team determined that the severity of this computer weakness bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this security note.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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