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Symantec Client Firewall Products Denial of Service Vulnerability
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Secunia Advisory:
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SA11102
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Release Date:
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2004-04-22
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Last Update:
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2004-04-24
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Popularity:
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13,810 views
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Symantec Client Firewall 5.x
Symantec Client Security 1.x
Symantec Norton Internet Security 2003
Symantec Norton Internet Security 2003 Professional
Symantec Norton Internet Security 2004
Symantec Norton Internet Security 2004 Professional
Symantec Norton Personal Firewall 2003
Symantec Norton Personal Firewall 2004
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Secunia CVSS-2 Score:
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Available in Secunia business solutions 
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
eEye Digital Security has discovered a vulnerability in various Symantec Client Firewall products, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within "SYMNDIS.SYS" when performing low level processing of TCP packets. This can be triggered via a single TCP packet containing a TCP option of either SACK (05) or Alternate Checksum Data (0F) followed by a length field set to zero (00).
Successful exploitation causes the component to enter an infinite loop, which halts the user's system rendering it inoperable.
The vulnerability affects the following products:
* Symantec Norton Internet Security and Professional 2003, 2004
* Symantec Norton Personal Firewall 2003, 2004
* Symantec Client Firewall 5.01, 5.1.1
* Symantec Client Security 1.0 and 1.1
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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