Sun Solaris TCP invalid sequence number denial of service
| solaris-tcp-packet-dos (28048) |  Low Risk |
Description:
Sun Solaris is vulnerable to a denial of service attack caused by improper handling of TCP packets. A remote attacker could send TCP packets containing incorrect sequence numbers to cause the system to use all avaialble resources, resulting in a denial of service.
Platforms Affected:
- Sun, Solaris 10 x86
- Sun, Solaris 10 SPARC
- Sun, Solaris 8 SPARC
- Sun, Solaris 8 x86
- Sun, Solaris 9 SPARC
- Sun, Solaris 9 x86
Remedy:
Refer to Sun Alert ID: 102206 for patch, upgrade, or suggested workaround information. See References.
Consequences:
Denial of Service
References:
- Sun Alert ID: 102206, Solaris Hosts are Vulnerable to a Denial of Service Induced by an Internet Transmission Control Protocol (TCP) "ACK Storm" at http://sunsolve.sun.com/search/document.do?assetkey=1-26-102206-1.
- ASA-2006-204: Sun Alert Notifications from Sun Weekly Report dated July 29 2006
- CVE-2006-3920: The TCP implementation in Sun Solaris 8, 9, and 10 before 20060726 allows remote attackers to cause a denial of service (resource exhaustion) via a TCP packet with an incorrect sequence number, which triggers an ACK storm.
- SA21226: Sun Solaris ACK Storm Denial of Service Vulnerability
- SA22425: Avaya CMS / IR Sun Solaris ACK Storm Denial of Service
- SECTRACK ID: 1016589: Solaris Performance Can Be Degraded via a TCP ACK Flood Attack
- VUPEN/ADV-2006-2997: Sun Solaris Internet Transmission Control Protocol Packets Denial of Service Vulnerability
Reported:
Jul 26, 2006
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