Symantec Legacy Decomposer Code Execution (SYM12-017)

High Nessus Plugin ID 62925


The remote Windows host has an antivirus application that is affected by a code execution vulnerability.


The version of Symantec Endpoint Protection or Symantec Scan Engine installed on the remote Windows host is potentially affected by a code execution vulnerability. The legacy decomposer engine fails to properly handle bounds-checking when parsing files from some versions of CAB archives.


For Symantec AntiVirus 10.x, upgrade to Symantec Enpoint Protection 12.1 or later.

For Symantec Enpoint Protection 11.x or 12.0, either run Live Update to upgrade the decomposer engine to version or upgrade to Symantec Endpoint Proection 12.1 or later.

For Symantec Scan Engine, upgrade to Symantec Scan Engine 5.2.8 or later.

See Also

Plugin Details

Severity: High

ID: 62925

File Name: symantec_decomposer_sym12-017.nasl

Version: $Revision: 1.12 $

Type: local

Agent: windows

Family: Windows

Published: 2012/11/15

Modified: 2016/08/16

Dependencies: 21725, 31857

Risk Information

Risk Factor: High


Base Score: 9.3

Temporal Score: 6.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:symantec:endpoint_protection, cpe:/a:symantec:scan_engine

Required KB Items: SMB/Registry/Enumerated

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2012/11/07

Vulnerability Publication Date: 2012/11/05

Reference Information

CVE: CVE-2012-4953

BID: 56399

OSVDB: 87403

CERT: 985625

IAVA: 2012-A-0192