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Category:   Device (Router/Bridge/Hub)  >   Juniper Junos Vendors:   Juniper
JUNOS TCP Option Processing Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1023417
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Updated:  Jan 8 2010
Original Entry Date:  Jan 7 2010
Impact:   Denial of service via network
Vendor Confirmed:  Yes  
Version(s): 7.x, 8.x, 9.x
Description:   A vulnerability was reported in JUNOS. A remote user can cause denial of service conditions.

A remote user can send a single TCP packet with a specially crafted TCP field option value to a listening port on the target device to cause the target device to crash.

[Editor's note: Juniper no longer makes vulnerability reports public.]

Impact:   A remote user can cause the target device to crash.
Solution:   The vendor has issued an advisory, available to customers. See vendor bulletin number PSN-2010-01-623.

Builds dated January 28, 2009 and later include the fix.

[Editor's note: The vulnerability was corrected about a year ago but apparently was not considered to be security relevant at the time. The security relevance was just recently identified.]

Vendor URL: (Links to External Site)
Cause:   Not specified

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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