Intrusion PreventionOpenBSD.TCP.Timestamp.DoS
Description
This indicates a possible attempt to exploit a vulnerability in OpenBSD that may allow remote attackers to cause a denial of service via crafted values in the TCP timestamp option.
Affected Products
OpenBSD OpenBSD 2.9
OpenBSD OpenBSD 2.8
OpenBSD OpenBSD 2.7
OpenBSD OpenBSD 2.6
OpenBSD OpenBSD 2.5
OpenBSD OpenBSD 2.4
OpenBSD OpenBSD 2.3
OpenBSD OpenBSD 2.2
OpenBSD OpenBSD 2.1
OpenBSD OpenBSD 2.0
OpenBSD OpenBSD 3.6
OpenBSD OpenBSD 3.5
OpenBSD OpenBSD 3.4
OpenBSD OpenBSD 3.3
OpenBSD OpenBSD 3.2
OpenBSD OpenBSD 3.1
OpenBSD OpenBSD 3.0
Impact
Denial of Service
Recommended Actions
OpenBSD has released the following patches dealing with this issue:
OpenBSD OpenBSD 3.5
* openBSD 027_rtt.patch
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/027_rtt.patch
OpenBSD OpenBSD 3.6
* openBSD 010_rtt.patch
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.6/common/010_rtt.patch
Telemetry
Coverage
| IPS (Regular DB) | |
| IPS (Extended DB) |
| ID | 13475 |
| Created | Oct 19, 2006 |
| Updated | Nov 04, 2021 |
| Risk |
|
| CVE ID | CVE-2005-0740 |
| Exploit Prediction Score | 4.44% |
| Default Action | drop |
| Active | |
| Affected OS | BSD |
| Affected App | Other |