OSVDB ID: 10509

Title: Multiple Anti-Virus MS-DOS Device Name Scan Bypass

Info

Disclosure

Oct 05, 2004

Discovery

Jun 25, 2004

Dates

Exploit

Oct 05, 2004

Solution

Unknown

Description

Norton AntiVirus contains a flaw that may allow malicious files to bypass scanning. The issue is triggered when malware uses a MS-DOS Device based name such as AUX, CON, PRN, COM1 and LPT1. It is possible that the flaw may allow malware to evade scans resulting in a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Other
Impact: Unknown
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Symantec has released a patch to address this vulnerability available via LiveUpdate. Furthermore, it is possible to correct the flaw by implementing the following workaround: 1.) Ensure that no local files or directories using reserved MS-DOS device names exist 2.) Use 'del \.\C:\aux' to delete those files if they exist (e.g. aux)

Products

Symantec Corporation

Norton Antivirus

2003
2004
2005

H+BEDV Datentechnik GmbH

AntiVir

6.28

Proland Software

Protector Plus 2000

7.2.F07

FIL Security Laboratory

Twister Anti-TrojanVirus

5.5

References

Credit

  • Kurt Seifried - kurtBrand New Doo Dooseifried.org -


Direct URL: http://osvdb.org/36218