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computer vulnerability bulletin CVE-2006-3454

Symantec AV: format string attack

Synthesis of the vulnerability

An attacker can use the customizing of alert notification message to run code on the machine or generate a denial of service.
Vulnerable systems: Symantec AV, SWS.
Severity of this threat: 2/4.
Consequences of a hack: privileged access/rights, denial of service on service.
Pirate's origin: user shell.
Creation date: 14/09/2006.
Références of this weakness: CERTA-2006-AVI-394, CVE-2006-3454, SYM06-017, VIGILANCE-VUL-6158.

Description of the vulnerability

The Symantec antivirus software permits the user to customize the alert notification message when a virus is detected.

Two format string attacks have been identified in the customizing of alert notification:
  - the input parameters are not correctly checked, which permits to generate a format string attack during the customizing of the message,
  - the contain of the message is not correctly sanitized, and can lead to a denial of service via a format string attack when e malicious file is detected.
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